United States Navy ships
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The names of
commissioned ship Ship commissioning is the act or ceremony of placing a ship in active service and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to placing a warship in ...
s of the
United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
all start with USS, for United States Ship. Non-commissioned, primarily civilian-manned vessels of the U.S. Navy under the
Military Sealift Command Military Sealift Command (MSC) is an organization that controls the replenishment and military transport ships of the United States Navy. Military Sealift Command has the responsibility for providing sealift and ocean transportation for all US ...
have names that begin with USNS, standing for
United States Naval Ship United States Naval Ship (USNS) is the prefix designation given to non- commissioned ships that are property of the United States Navy (USN). Definition United States Naval Ships are unarmed auxiliary support vessels owned by the U.S. Navy ...
. A letter-based
hull classification symbol The United States Navy, United States Coast Guard, and United States National Oceanic and Atmospheric Administration (NOAA) use a hull classification symbol (sometimes called hull code or hull number) to identify their ships by type and by ...
is used to designate a vessel's type. The names of ships are selected by the
Secretary of the Navy The secretary of the Navy (or SECNAV) is a statutory officer () and the head (chief executive officer) of the Department of the Navy, a military department (component organization) within the United States Department of Defense. By law, the se ...
. The names are those of states, cities, towns, important persons, important locations, famous battles, fish, and ideals. Usually, different types of ships have names originated from different types of sources. Modern
aircraft carrier An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. Typically, it is the capital ship of a fleet, as it allows a ...
s and
submarine A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely op ...
s use
nuclear reactor A nuclear reactor is a device used to initiate and control a fission nuclear chain reaction or nuclear fusion reactions. Nuclear reactors are used at nuclear power plants for electricity generation and in nuclear marine propulsion. Heat fr ...
s for power. See United States naval reactors for information on classification schemes and the history of nuclear-powered vessels. Modern cruisers, destroyers and frigates are called
surface combatant Surface combatants (or surface ships or surface vessels) are a subset of naval warships which are designed for warfare on the surface of the water, with their own weapons and armed forces. They are generally ships built to fight other ships, subma ...
s and act mainly as escorts for aircraft carriers, amphibious assault ships, auxiliaries and civilian craft, but the largest ones have gained a land attack role through the use of
cruise missile A cruise missile is a guided missile used against terrestrial or naval targets that remains in the atmosphere and flies the major portion of its flight path at approximately constant speed. Cruise missiles are designed to deliver a large warh ...
s and a population defense role through
missile defense Missile defense is a system, weapon, or technology involved in the detection, tracking, interception, and also the destruction of attacking missiles. Conceived as a defense against nuclear-armed intercontinental ballistic missiles (ICBMs), ...
.


Aircraft carriers

Aircraft carrier An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. Typically, it is the capital ship of a fleet, as it allows a ...
s (CVN) have the ability to put most nations within striking distance of U.S. air power which makes them the cornerstone of US forward deployment and deterrence strategy. Multiple carriers are deployed around the world to provide military presence, respond quickly to crises, and participate in joint exercises with allied forces; this has led the Navy to refer to their ''Nimitz''-class carriers as "4.5 acres of sovereign and mobile American territory". "In accordance with customary international law as reflected in
United Nations Convention on the Law of the Sea The United Nations Convention on the Law of the Sea (UNCLOS), also called the Law of the Sea Convention or the Law of the Sea Treaty, is an international agreement that establishes a legal framework for all marine and maritime activities. , 167 ...
and as discussed in ''The Commander's Handbook on the Law of Naval Operations'' and The State Department Cable on the Status of Military Sealift Command Vessels, ships owned or operated by a State and used, for the time being, only on government non-commercial service are entitled to sovereign immunity. Whether in internal, territorial, or international waters, such ships are immune from arrest and search, and exempt from foreign taxation and any foreign regulation requiring flying the flag of that foreign state while in its ports or territorial sea." Former President
Bill Clinton William Jefferson Clinton (né Blythe III; born August 19, 1946) is an American politician who served as the 42nd president of the United States from 1993 to 2001. He previously served as governor of Arkansas from 1979 to 1981 and again ...
summed up the importance of the aircraft carrier by stating that "when word of crisis breaks out in Washington, it's no accident the first question that comes to everyone's lips is: where is the nearest carrier?" The power and operational flexibility of a carrier lie in the aircraft of its
carrier air wing A carrier air wing (abbreviated CVW) is an operational naval aviation organization composed of several aircraft squadrons and detachments of various types of fixed-wing and rotary-wing aircraft. Organized, equipped and trained to conduct mo ...
. Made up of both fixed-wing and rotary-wing aircraft, a carrier air wing is able to perform over 150 strike missions at once, hitting over 700 targets a day. Carrier air wings also protect friendly forces, conduct
electronic warfare Electronic warfare (EW) is any action involving the use of the electromagnetic spectrum (EM spectrum) or directed energy to control the spectrum, attack an enemy, or impede enemy assaults. The purpose of electronic warfare is to deny the opponent ...
, assist in special operations, and carry out
search and rescue Search and rescue (SAR) is the search for and provision of aid to people who are in distress or imminent danger. The general field of search and rescue includes many specialty sub-fields, typically determined by the type of terrain the search ...
missions. The carriers themselves, in addition to enabling airborne operations, serve as command platforms for large battle groups or multinational task forces. U.S. Navy aircraft carriers can also host aircraft from other nations' navies; the
French Navy The French Navy (french: Marine nationale, lit=National Navy), informally , is the maritime arm of the French Armed Forces and one of the five military service branches of France. It is among the largest and most powerful naval forces in t ...
's
Rafale The Dassault Rafale (, literally meaning "gust of wind", and "burst of fire" in a more military sense) is a French twin-engine, canard delta wing, multirole fighter aircraft designed and built by Dassault Aviation. Equipped with a wide rang ...
has operated, during naval exercises, from U.S. Navy flight decks. * (10 in active service) * (1 in active service, 1 under construction of 10 planned)


Amphibious warfare ships


Amphibious assault ships

Amphibious assault ship An amphibious assault ship is a type of amphibious warfare ship employed to land and support ground forces on enemy territory by an amphibious assault. The design evolved from aircraft carriers converted for use as helicopter carriers (and, a ...
s, sub-types known as landing, helicopter dock or LHD and landing, helicopter assault or LHA. (also referred to as a commando carrier or an amphibious assault carrier), are a type of amphibious warfare ship employed to land and support ground forces on enemy territory by an amphibious assault. The design evolved from aircraft carriers converted for use as helicopter carriers, but includes support for amphibious landing craft, with most designs including a well deck. Coming full circle, some amphibious assault ships now have a secondary role as aircraft carriers, supporting V/STOL fixed-wing aircraft. The role of the amphibious assault ship is fundamentally different from a standard aircraft carrier: its aviation facilities have the primary role of hosting helicopters to support forces ashore rather than to support strike aircraft. However, some are capable of serving in the sea-control role, embarking aircraft like Harrier fighters for
CAP A cap is a flat headgear, usually with a visor. Caps have crowns that fit very close to the head. They made their first appearance as early as 3200 BC. Caps typically have a visor, or no brim at all. They are popular in casual and informal se ...
and anti-submarine warfare helicopters or operating as a safe base for large numbers of
STOVL A short take-off and vertical landing aircraft (STOVL aircraft) is a fixed-wing aircraft that is able to take off from a short runway (or take off vertically if it does not have a heavy payload) and land vertically (i.e. with no runway). The ...
fighters conducting air support for the
Marine expeditionary unit A Marine expeditionary unit (MEU, pronounced as one syllable "" IPA: ) is the smallest air-ground task force (MAGTF) in the United States Fleet Marine Force.air-cushioned landing craft An air-cushioned landing craft, also called an LCAC ( landing craft, air cushioned), is a modern variation on the amphibious landing boat. The majority of these craft are small- to mid-sized multi-purpose hovercraft, also known as "over the bea ...
(
hovercraft A hovercraft, also known as an air-cushion vehicle or ACV, is an amphibious craft capable of travelling over land, water, mud, ice, and other surfaces. Hovercraft use blowers to produce a large volume of air below the hull, or air cushion, ...
) or LCUs. * (7 in active service) * (2 in active service of 11 planned)


Amphibious command ships

USS ''Mount Whitney''
Amphibious command ship An amphibious command ship (LCC) of the United States Navy is a large, special-purpose ship, originally designed to command large amphibious invasions. However, as amphibious invasions have become unlikely, they are now used as general comma ...
s (LCC) of the
United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
are large, special purpose ships, originally designed to command large amphibious invasions. However, as amphibious invasions have become less likely, they are now used as general
command ship Command ships serve as the flagships of the commander of a fleet. They provide communications, office space, and accommodations for a fleet commander and their staff, and serve to coordinate fleet activities. An auxiliary command ship features ...
s, and serve as floating headquarters for two, forward deployed, numbered Fleet commands. Currently, they are assigned to the
6th 6 (six) is the natural number following 5 and preceding 7. It is a composite number and the smallest perfect number. In mathematics Six is the smallest positive integer which is neither a square number nor a prime number; it is the second ...
and 7th fleets as
flagship A flagship is a vessel used by the commanding officer of a group of naval ships, characteristically a flag officer entitled by custom to fly a distinguishing flag. Used more loosely, it is the lead ship in a fleet of vessels, typically the ...
s. * (2 in active service)


Amphibious transport docks

Amphibious transport dock An amphibious transport dock, also called a landing platform dock (LPD), is an amphibious warfare ship, a warship that embarks, transports, and lands elements of a landing force for expeditionary warfare missions. Several navies currently operat ...
s, also known as landing platform dock or LPD, is an
amphibious warfare ship An amphibious warfare ship (or amphib) is an amphibious vehicle warship employed to land and support ground forces, such as marines, on enemy territory during an amphibious assault. Specialized shipping can be divided into two types, most cr ...
, a warship that embarks, transports, and lands elements of a landing force for
expeditionary warfare Expeditionary warfare is a military invasion of a foreign territory, especially away from established bases. Expeditionary forces were in part the antecedent of the modern concept of rapid deployment forces. Traditionally, expeditionary forces w ...
missions. Several navies currently operate this kind of ship. The ships are generally designed to transport troops into a war zone by sea, primarily using landing craft, although invariably they also have the capability to operate transport, utility and attack helicopters and multi-mission tilt-rotor aircraft. * (12 in active service of 17 planned)


Dock landing ships

Dock landing ship A dock landing ship (also called landing ship, dock or LSD) is an amphibious warfare ship with a well dock to transport and launch landing craft and amphibious vehicles. Some ships with well decks, such as the Soviet Ivan Rogov class, also hav ...
s, also known as landing ship, dock or LSD, are
amphibious warfare ship An amphibious warfare ship (or amphib) is an amphibious vehicle warship employed to land and support ground forces, such as marines, on enemy territory during an amphibious assault. Specialized shipping can be divided into two types, most cr ...
s with
well dock A well is an excavation or structure created in the ground by digging, driving, or drilling to access liquid resources, usually water. The oldest and most common kind of well is a water well, to access groundwater in underground aquifers. Th ...
s to transport and launch
landing craft Landing craft are small and medium seagoing watercraft, such as boats and barges, used to convey a landing force (infantry and vehicles) from the sea to the shore during an amphibious assault. The term excludes landing ships, which are larger. ...
and
amphibious vehicle An amphibious vehicle (or simply amphibian), is a vehicle that is a means of transport viable on land as well as on or under water. Amphibious vehicles include amphibious Amphibious cycle, bicycles, Amphibious ATV, ATVs, Amphibious automobile, ca ...
s. Some ships with well decks, such as the Soviet Ivan Rogov class, also have bow doors to enable them to deliver vehicles directly onto a beach (like a
Landing Ship, Tank Landing Ship, Tank (LST), or tank landing ship, is the naval designation for ships first developed during World War II (1939–1945) to support amphibious operations by carrying tanks, vehicles, cargo, and landing troops directly onto shore with ...
). Modern dock landing ships also operate helicopters. A ship with a well deck (docking well) can transfer cargo to landing craft in rougher seas than a ship that has to use cranes or a stern ramp. The
US Navy hull classification symbol The United States Navy, United States Coast Guard, and United States National Oceanic and Atmospheric Administration (NOAA) use a hull classification symbol (sometimes called hull code or hull number) to identify their ships by type and by ind ...
for a ship with a well deck depends on its facilities for aircraft - a (modern) LSD has a
helicopter deck A helicopter deck (or helo deck) is a helicopter pad on the deck of a ship, usually located on the stern and always clear of obstacles that would prove hazardous to a helicopter landing. In the United States Navy, it is commonly and properly ...
, a LPD also has a hangar, and a LHD or LHA has a full-length flight deck. * (6 in active service) * (4 in active service)


Expeditionary mobile base

Expeditionary mobile bases are semi-submersible, flexible, modular platforms providing that perform large-scale logistics movements such as the transfer of vehicles and equipment from sea to shore. These ships significantly reduce the dependency on foreign ports and provide support in the absence of port availability. * (2 in active service of 6 planned)


Cruisers

Cruiser A cruiser is a type of warship. Modern cruisers are generally the largest ships in a fleet after aircraft carriers and amphibious assault ships, and can usually perform several roles. The term "cruiser", which has been in use for several ...
s and
guided missile cruisers A cruiser is a type of warship. Modern cruisers are generally the largest ships in a fleet after aircraft carriers and amphibious assault ships, and can usually perform several roles. The term "cruiser", which has been in use for several hu ...
CG are a type of
warship A warship or combatant ship is a naval ship that is built and primarily intended for naval warfare. Usually they belong to the armed forces of a state. As well as being armed, warships are designed to withstand damage and are usually faster ...
. The term has been in use for several hundred years, and has had different meanings throughout this period. During the
Age of Sail The Age of Sail is a period that lasted at the latest from the mid-16th (or mid- 15th) to the mid-19th centuries, in which the dominance of sailing ships in global trade and warfare culminated, particularly marked by the introduction of nava ...
, the term ''cruising'' referred to certain kinds of missions – independent scouting, raiding or commerce protection – fulfilled by a
frigate A frigate () is a type of warship. In different eras, the roles and capabilities of ships classified as frigates have varied somewhat. The name frigate in the 17th to early 18th centuries was given to any full-rigged ship built for speed an ...
or
sloop A sloop is a sailboat with a single mast typically having only one headsail in front of the mast and one mainsail aft of (behind) the mast. Such an arrangement is called a fore-and-aft rig, and can be rigged as a Bermuda rig with triangular sa ...
, which were the ''cruising warships'' of a fleet. In the middle of the 19th century, ''cruiser'' came to be a classification for the ships intended for this kind of role, though cruisers came in a wide variety of sizes, from the small
protected cruiser Protected cruisers, a type of naval cruiser of the late-19th century, gained their description because an armoured deck offered protection for vital machine-spaces from fragments caused by shells exploding above them. Protected cruisers re ...
to
armored cruiser The armored cruiser was a type of warship of the late 19th and early 20th centuries. It was designed like other types of cruisers to operate as a long-range, independent warship, capable of defeating any ship apart from a battleship and fast eno ...
s that were as large (although not as powerful) as a
battleship A battleship is a large armour, armored warship with a main artillery battery, battery consisting of large caliber guns. It dominated naval warfare in the late 19th and early 20th centuries. The term ''battleship'' came into use in the late 1 ...
. By the early 20th century, cruisers could be placed on a consistent scale of warship size, smaller than a battleship but larger than a
destroyer In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally developed ...
. In 1922, the
Washington Naval Treaty The Washington Naval Treaty, also known as the Five-Power Treaty, was a treaty signed during 1922 among the major Allies of World War I, which agreed to prevent an arms race by limiting naval construction. It was negotiated at the Washington Nav ...
placed a formal limit on cruisers, which were defined as warships of up to 10,000 tons displacement carrying guns no larger than 8 inches in calibre. These limits shaped cruisers until the end of World War II. The very large
battlecruiser The battlecruiser (also written as battle cruiser or battle-cruiser) was a type of capital ship of the first half of the 20th century. These were similar in displacement, armament and cost to battleships, but differed in form and balance of attr ...
s of the World War I era were now classified, along with battleships, as
capital ship The capital ships of a navy are its most important warships; they are generally the larger ships when compared to other warships in their respective fleet. A capital ship is generally a leading or a primary ship in a naval fleet. Strategic im ...
s. In the later 20th century, the obsolescence of the battleship left the cruiser as the largest and most powerful surface combatant (excluding
aircraft carrier An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. Typically, it is the capital ship of a fleet, as it allows a ...
s). The role of the cruiser varied according to ship and navy, often including air defense, commerce raiding, and shore bombardment. The U.S. Navy in the Cold War period built guided-missile cruisers primarily designed to provide air defense, while the navy of the USSR built battlecruisers with heavy
anti-ship missile An anti-ship missile (AShM) is a guided missile that is designed for use against ships and large boats. Most anti-ship missiles are of the sea skimming variety, and many use a combination of inertial guidance and active radar homing. A goo ...
s designed to sink NATO carrier task forces. * (27 completed; 22 in active service, 5 retired) – the first ship class with the
AEGIS combat system The Aegis Combat System is an American integrated naval weapons system developed by the Missile and Surface Radar Division of RCA, and it is now produced by Lockheed Martin. Initially used by the United States Navy, Aegis is now used also by ...


Destroyers

Destroyer In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally developed ...
s DDG are fast maneuverable long-endurance
warship A warship or combatant ship is a naval ship that is built and primarily intended for naval warfare. Usually they belong to the armed forces of a state. As well as being armed, warships are designed to withstand damage and are usually faster ...
s intended to escort larger vessels in a
fleet Fleet may refer to: Vehicles *Fishing fleet *Naval fleet *Fleet vehicles, a pool of motor vehicles *Fleet Aircraft, the aircraft manufacturing company Places Canada * Fleet, Alberta, Canada, a hamlet England * The Fleet Lagoon, at Chesil Beach ...
,
convoy A convoy is a group of vehicles, typically motor vehicles or ships, traveling together for mutual support and protection. Often, a convoy is organized with armed defensive support and can help maintain cohesion within a unit. It may also be used ...
or battle group and defend them against smaller powerful short-range attackers. They were originally developed in the late 19th century as a defense against
torpedo boat A torpedo boat is a relatively small and fast naval ship designed to carry torpedoes into battle. The first designs were steam-powered craft dedicated to ramming enemy ships with explosive spar torpedoes. Later evolutions launched variants of ...
s, and by the time of the
Russo-Japanese War The Russo-Japanese War ( ja, 日露戦争, Nichiro sensō, Japanese-Russian War; russian: Ру́сско-япóнская войнá, Rússko-yapónskaya voyná) was fought between the Empire of Japan and the Russian Empire during 1904 and 1 ...
in 1904, these "torpedo boat destroyers" (TBD) were "large, swift, and powerfully armed torpedo boats designed to destroy other torpedo boats." Before
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
, destroyers were light vessels with little endurance for unattended ocean operations; typically a number of destroyers and a single
destroyer tender A destroyer tender or destroyer depot ship is a type of depot ship: an auxiliary ship designed to provide maintenance support to a flotilla of destroyers or other small warships. The use of this class has faded from its peak in the first half of ...
operated together. After the war, the advent of the guided missile allowed destroyers to take on the surface combatant roles previously filled by battleships and cruisers. This resulted in larger and more powerful
guided missile destroyer A guided-missile destroyer (DDG) is a destroyer whose primary armament is guided missiles so they can provide anti-aircraft warfare screening for the fleet. The NATO standard designation for these vessels is DDG, while destroyers who have a prim ...
s more capable of independent operation. At the start of the 21st century, destroyers are the heaviest
surface combatant Surface combatants (or surface ships or surface vessels) are a subset of naval warships which are designed for warfare on the surface of the water, with their own weapons and armed forces. They are generally ships built to fight other ships, subma ...
ships in general use, with only two nations (
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...
and
Russia Russia (, , ), or the Russian Federation, is a transcontinental country spanning Eastern Europe and Northern Asia. It is the largest country in the world, with its internationally recognised territory covering , and encompassing one-ei ...
) currently operating the heavier class
cruiser A cruiser is a type of warship. Modern cruisers are generally the largest ships in a fleet after aircraft carriers and amphibious assault ships, and can usually perform several roles. The term "cruiser", which has been in use for several ...
s, with no
battleship A battleship is a large armour, armored warship with a main artillery battery, battery consisting of large caliber guns. It dominated naval warfare in the late 19th and early 20th centuries. The term ''battleship'' came into use in the late 1 ...
s or true
battlecruiser The battlecruiser (also written as battle cruiser or battle-cruiser) was a type of capital ship of the first half of the 20th century. These were similar in displacement, armament and cost to battleships, but differed in form and balance of attr ...
s remaining. Modern destroyers, also known as
guided missile destroyer A guided-missile destroyer (DDG) is a destroyer whose primary armament is guided missiles so they can provide anti-aircraft warfare screening for the fleet. The NATO standard designation for these vessels is DDG, while destroyers who have a prim ...
s, are equivalent in
tonnage Tonnage is a measure of the cargo-carrying capacity of a ship, and is commonly used to assess fees on commercial shipping. The term derives from the taxation paid on ''tuns'' or casks of wine. In modern maritime usage, "tonnage" specifically r ...
but vastly superior in firepower to cruisers of the World War II era, capable of carrying nuclear tipped
cruise missile A cruise missile is a guided missile used against terrestrial or naval targets that remains in the atmosphere and flies the major portion of its flight path at approximately constant speed. Cruise missiles are designed to deliver a large warh ...
s. Guided missile destroyers such as the ''Arleigh Burke'' class are actually larger and more heavily armed than most previous ships classified as guided missile cruisers, due to their massive size at long, displacement (9200 tons) and armament of over 90 missiles.
Guided-missile destroyer A guided-missile destroyer (DDG) is a destroyer whose primary armament is guided missiles so they can provide anti-aircraft warfare screening for the fleet. The NATO standard designation for these vessels is DDG, while destroyers who have a prim ...
s are destroyers designed to launch
guided missile In military terminology, a missile is a guided airborne ranged weapon capable of self-propelled flight usually by a jet engine or rocket motor. Missiles are thus also called guided missiles or guided rockets (when a previously unguided rocket ...
s. Many are also equipped to carry out
anti-submarine An anti-submarine weapon (ASW) is any one of a number of devices that are intended to act against a submarine and its crew, to destroy (sink) the vessel or reduce its capability as a weapon of war. In its simplest sense, an anti-submarine weapo ...
, anti-air, and anti-surface operations. The NATO standard designation for these vessels is DDG. Nations vary in their use of destroyer D designation their hull pennant numbering, either prefixing, or dropping it altogether. The
U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage o ...
has adopted the classification DDG in the American hull classification system. In addition to the guns that destroyers have, a guided-missile destroyer is usually equipped with two large missile magazines, usually in vertical-launch cells. Some guided-missile destroyers contain powerful radar systems, such as the United States’
Aegis Combat System The Aegis Combat System is an American integrated naval weapons system developed by the Missile and Surface Radar Division of RCA, and it is now produced by Lockheed Martin. Initially used by the United States Navy, Aegis is now used also by ...
, and may be adopted for use in an anti-missile or ballistic-missile defense role. This is especially true of navies that no longer operate
cruiser A cruiser is a type of warship. Modern cruisers are generally the largest ships in a fleet after aircraft carriers and amphibious assault ships, and can usually perform several roles. The term "cruiser", which has been in use for several ...
s, as other vessels must be adopted to fill in the gap. * (68 in active service of 87 planned) * (2 in active service, 1 under construction)


Frigates

Frigate A frigate () is a type of warship. In different eras, the roles and capabilities of ships classified as frigates have varied somewhat. The name frigate in the 17th to early 18th centuries was given to any full-rigged ship built for speed an ...
s FF or FFG (according to the modern classification of U.S. navy warships) are smaller ships than destroyers. They are designed primarily to protect other ships (such as merchant convoys), and perform some Anti-Submarine Warfare duties. They are cheaper but of more limited capability than destroyers. The last active class of frigates in the US Navy was the , decommissioned in September 2015, leaving the navy no active frigates. On January 15, 2015 U.S. Navy Secretary
Ray Mabus Raymond Edwin Mabus Jr. (; born October 11, 1948) is an American politician and lawyer. A member of the Democratic Party, he served as the 75th United States Secretary of the Navy from 2009 to 2017. Mabus previously served as the State Auditor ...
announced that ships of the
Littoral Combat Ship The littoral combat ship (LCS) is either of two classes of relatively small surface vessels designed for operations near shore by the United States Navy. It was "envisioned to be a networked, agile, stealthy surface combatant capable of defeat ...
(LCS) classes built in the future would be re-classified as "frigates". This would apply only to the future variations of these ships. Current ships will retain the LCS classification unless and until they are upgraded to the standards of the newer ships. On April 30, 2020, the US Navy awarded a contract to design and produce the next generation small surface combatant, the Guided Missile Frigate (FFG(X)). The contract for detail design and construction (DD&C) of up to 10 Guided Missile Frigates (consisting of one base ship and nine option ships) was awarded to Fincantieri Marinette Marine Corporation (MMC) of Marinette, Wisconsin. The FFG(X) will have multi-mission capability to conduct air warfare, anti-submarine warfare, surface warfare, electronic warfare, and information operations. Specifically FFG(X) will include an Enterprise Air Surveillance Radar (EASR) radar, Baseline Ten (BL10) AEGIS Combat System, a Mk 41 Vertical Launch System (VLS), communications systems, MK 57 Gun Weapon System (GWS) countermeasures and added capability in the EW/IO area with design flexibility for future growth. * ''Constellation'' class (2 on order, 20 planned)


Littoral combat ships

Littoral combat ship The littoral combat ship (LCS) is either of two classes of relatively small surface vessels designed for operations near shore by the United States Navy. It was "envisioned to be a networked, agile, stealthy surface combatant capable of defeat ...
s LCS are a
class Class or The Class may refer to: Common uses not otherwise categorized * Class (biology), a taxonomic rank * Class (knowledge representation), a collection of individuals or objects * Class (philosophy), an analytical concept used differently ...
of relatively small surface vessels intended for operations in the
littoral zone The littoral zone or nearshore is the part of a sea, lake, or river that is close to the shore. In coastal ecology, the littoral zone includes the intertidal zone extending from the high water mark (which is rarely inundated), to coastal ...
(close to shore) by the
United States Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage ...
. It was "envisioned to be a networked, agile, stealthy surface combatant capable of defeating anti-access and asymmetric threats in the littorals." The and the are the first two LCS variants. Both are slightly smaller than the
U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Armed Forces and one of the eight uniformed services of the United States. It is the largest and most powerful navy in the world, with the estimated tonnage o ...
's guided missile frigates and have been likened to
corvette A corvette is a small warship. It is traditionally the smallest class of vessel considered to be a proper (or " rated") warship. The warship class above the corvette is that of the frigate, while the class below was historically that of the slo ...
s. They have the capabilities of a small assault transport, including a
flight deck The flight deck of an aircraft carrier is the surface from which its aircraft take off and land, essentially a miniature airfield at sea. On smaller naval ships which do not have aviation as a primary mission, the landing area for helicopte ...
and
hangar A hangar is a building or structure designed to hold aircraft or spacecraft. Hangars are built of metal, wood, or concrete. The word ''hangar'' comes from Middle French ''hanghart'' ("enclosure near a house"), of Germanic origin, from Frankish ...
for housing two SH-60 or MH-60 Seahawk helicopters, a stern ramp for operating small boats, and the cargo volume and payload to deliver a small
assault An assault is the act of committing physical harm or unwanted physical contact upon a person or, in some specific legal definitions, a threat or attempt to commit such an action. It is both a crime and a tort and, therefore, may result in cr ...
force with fighting vehicles to a
roll-on/roll-off Roll-on/roll-off (RORO or ro-ro) ships are cargo ships designed to carry wheeled cargo, such as cars, motorcycles, trucks, semi-trailer trucks, buses, trailers, and railroad cars, that are driven on and off the ship on their own wheels or using ...
port facility. Standard armaments include
Mk 110 57 mm gun Bofors 57 mm Naval Automatic Gun L/70 ( sv, 57 mm sjöautomatkanon L/70 (''57 mm SAK 70'')), among other names (see Names), is a series of dual-purpose naval guns designed and produced by the Swedish arms manufacturer AB Bofors (since ...
s and
RIM-116 Rolling Airframe Missile The RIM-116 Rolling Airframe Missile (RAM) is a small, lightweight, infrared homing surface-to-air missile in use by the German, Japanese, Greek, Turkish, South Korean, Saudi Arabian, Egyptian, Mexican, UAE, and U.S. Navies. It was origin ...
s. They are also equipped with autonomous
air The atmosphere of Earth is the layer of gases, known collectively as air, retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere. The atmosphere of Earth protects life on Earth by creating pressure allowing f ...
,
surface A surface, as the term is most generally used, is the outermost or uppermost layer of a physical object or space. It is the portion or region of the object that can first be perceived by an observer using the senses of sight and touch, and is ...
, and underwater vehicles. Possessing lower air defense and surface warfare capabilities than
destroyer In naval terminology, a destroyer is a fast, manoeuvrable, long-endurance warship intended to escort larger vessels in a fleet, convoy or battle group and defend them against powerful short range attackers. They were originally developed ...
s, the LCS concept emphasizes speed, flexible mission modules and a shallow
draft Draft, The Draft, or Draught may refer to: Watercraft dimensions * Draft (hull), the distance from waterline to keel of a vessel * Draft (sail), degree of curvature in a sail * Air draft, distance from waterline to the highest point on a vesse ...
. The first littoral combat ship, , was commissioned on 8 November 2008 in Veteran's Park,
Milwaukee Milwaukee ( ), officially the City of Milwaukee, is both the most populous and most densely populated city in the U.S. state of Wisconsin and the county seat of Milwaukee County. With a population of 577,222 at the 2020 census, Milwaukee i ...
,
Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...
. The second ship, and first of the
trimaran A trimaran (or double-outrigger) is a multihull boat that comprises a main hull and two smaller outrigger hulls (or "floats") which are attached to the main hull with lateral beams. Most modern trimarans are sailing yachts designed for recreatio ...
design, , was commissioned on 16 January 2010, in
Mobile, Alabama Mobile ( , ) is a city and the county seat of Mobile County, Alabama, United States. The population within the city limits was 187,041 at the 2020 census, down from 195,111 at the 2010 census. It is the fourth-most-populous city in Alabama ...
. In 2012, CNO
Jonathan W. Greenert Jonathan William Greenert (born May 15, 1953) is a former United States Navy admiral who served as the 30th Chief of Naval Operations from September 23, 2011, to September 18, 2015. He previously served as the 36th Vice Chief of Naval Operations ...
stated that LCSs would be deployed to Africa in place of destroyers and cruisers. In late 2014, the Navy proceeded with a procurement plan for enhanced versions of the LCS and upgraded older ships to meet the program's 52-ship requirement; the modified LCS will be redesignated as FF. In December 2015,
Secretary of Defense A defence minister or minister of defence is a cabinet official position in charge of a ministry of defense, which regulates the armed forces in sovereign states. The role of a defence minister varies considerably from country to country; in so ...
Ashton Carter Ashton Baldwin Carter (September 24, 1954 – October 24, 2022) was an American government official and academic who served as the 25th United States Secretary of Defense from February 2015 to January 2017. He later served as director of the Be ...
ordered the Navy to reduce the planned LCS/FF procurement from 52 to 40, and downselect to one variant by FY 2019. It was announced in January 2015 that future and retrofitted versions of these two classes will be re-classified as frigates. The navy has currently built and/or planned out to 24 of a total of 52 ships. * (10 in active service, 5 under construction, 1 retired) * (12 in active service, 5 under construction, 2 retired)


Mine countermeasures ships

Mine countermeasures vessels or MCM are a type of
naval ship A naval ship is a military ship (or sometimes boat, depending on classification) used by a navy. Naval ships are differentiated from civilian ships by construction and purpose. Generally, naval ships are Damage control, damage resilient a ...
designed for the location of and destruction of
naval mine A naval mine is a self-contained explosive device placed in water to damage or destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an ...
s which combines the role of a
minesweeper A minesweeper is a small warship designed to remove or detonate naval mines. Using various mechanisms intended to counter the threat posed by naval mines, minesweepers keep waterways clear for safe shipping. History The earliest known usage of ...
and
minehunter A minehunter is a naval vessel that seeks, detects, and destroys individual naval mines. Minesweepers, on the other hand, clear mined areas as a whole, without prior detection of mines. A vessel that combines both of these roles is known a ...
in one hull. The term MCMV is also applied collectively to minehunters and minesweepers. A "minesweeper" is a small
naval A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operations and related functions. It inclu ...
warship A warship or combatant ship is a naval ship that is built and primarily intended for naval warfare. Usually they belong to the armed forces of a state. As well as being armed, warships are designed to withstand damage and are usually faster ...
designed to engage in
minesweeping Minesweeping is the practice of the removal of explosive naval mines, usually by a specially designed ship called a minesweeper using various measures to either capture or detonate the mines, but sometimes also with an aircraft made for that ...
. Using various mechanisms intended to counter the threat posed by
naval mine A naval mine is a self-contained explosive device placed in water to damage or destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an ...
s, waterways are maintained clear for safe shipping. A "minehunter" is a naval vessel that actively detects and destroys individual
naval mine A naval mine is a self-contained explosive device placed in water to damage or destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, an ...
s. * (11 of 14 in active service, 2 decommissioned, 1 lost to accident)


Patrol ships

Patrol ships PC are relatively small naval vessels generally designed for coastal defense duties. There have been many designs for patrol boats. They may be operated by a nation's
navy A navy, naval force, or maritime force is the branch of a nation's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operations and related functions. It in ...
,
coast guard A coast guard or coastguard is a maritime security organization of a particular country. The term embraces wide range of responsibilities in different countries, from being a heavily armed military force with customs and security duties to ...
,
police The police are a Law enforcement organization, constituted body of Law enforcement officer, persons empowered by a State (polity), state, with the aim to law enforcement, enforce the law, to ensure the safety, health and possessions of citize ...
force or
customs Customs is an authority or agency in a country responsible for collecting tariffs and for controlling the flow of goods, including animals, transports, personal effects, and hazardous items, into and out of a country. Traditionally, customs ...
and may be intended for marine (
blue water Maritime geography is a collection of terms used by naval military units to loosely define three maritime regions: brown water, green water, and blue water. Definitions The elements of maritime geography are loosely defined and their meanings hav ...
) and/or
estuarine An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea. Estuaries form a transition zone between river environments and maritime environmen ...
or river (" brown water") environments. They are commonly found engaged in various border protection roles, including anti-
smuggling Smuggling is the illegal transportation of objects, substances, information or people, such as out of a house or buildings, into a prison, or across an international border, in violation of applicable laws or other regulations. There are variou ...
, anti-
piracy Piracy is an act of robbery or criminal violence by ship or boat-borne attackers upon another ship or a coastal area, typically with the goal of stealing cargo and other valuable goods. Those who conduct acts of piracy are called pirates, v ...
,
fisheries Fishery can mean either the enterprise of raising or harvesting fish and other aquatic life; or more commonly, the site where such enterprise takes place ( a.k.a. fishing ground). Commercial fisheries include wild fisheries and fish farms, ...
patrols, and
immigration law Immigration law refers to the national statutes, regulations, and legal precedents governing immigration into and deportation from a country. Strictly speaking, it is distinct from other matters such as naturalization and citizenship, although ...
enforcement Enforcement is the proper execution of the process of ensuring compliance with laws, regulations, rules, standards, and social norms. Governments attempt to effectuate successful implementation of policies by enforcing laws and regulations. E ...
. They are also often called upon to participate in
rescue Rescue comprises responsive operations that usually involve the saving of life, or the urgent treatment of injuries after an accident or a dangerous situation. Tools used might include search and rescue dogs, mounted search and rescue ...
operations. Vessels of this type include the original
yacht A yacht is a sailing or power vessel used for pleasure, cruising, or racing. There is no standard definition, though the term generally applies to vessels with a cabin intended for overnight use. To be termed a , as opposed to a , such a pleasu ...
(from Dutch/Low German ''jacht'' meaning hunting or hunt), a light, fast-sailing vessel used by the
Dutch navy The Royal Netherlands Navy ( nl, Koninklijke Marine, links=no) is the naval force of the Kingdom of the Netherlands. During the 17th century, the navy of the Dutch Republic (1581–1795) was one of the most powerful naval forces in the world an ...
to pursue pirates and other transgressors around and into shallow waters. * (14 built, 13 in active service, 1 transferred to the Philippine Navy)


Submarines

Submarine A submarine (or sub) is a watercraft capable of independent operation underwater. It differs from a submersible, which has more limited underwater capability. The term is also sometimes used historically or colloquially to refer to remotely op ...
s SSN, SSBN, SSGN are watercraft capable of independent operation underwater. There are currently two types; attack and ballistic. "Attack submarines" (SSN) have tactical missions, including controlling naval and shipping activity, serving as cruise missile-launching platforms, and intelligence-gathering. "Ballistic submarines" (SSBN) primarily have the single strategic mission of nuclear deterrence by being hidden launching-platforms for nuclear
SLBM A submarine-launched ballistic missile (SLBM) is a ballistic missile capable of being launched from submarines. Modern variants usually deliver multiple independently targetable reentry vehicles (MIRVs), each of which carries a nuclear warhea ...
s. However, some of these boats have been converted to (SSGN) and launch standard cruise missiles. * (attack submarines: 28 in active service, 34 retired of 62 planned) * (attack submarines: 3 in active service of 3 planned) * (attack submarines: 21 in active service of 48 planned) * (ballistic missile submarines: 14 in active service of 18 planned) **(''Ohio'' class converted to guided missile submarines: 4 in active service)


Future requirements

In a 2012 study called the "Force Structure Assessment", the Navy determined a post-2020 battle-force requirement of 306 ships. * 12 fleet ballistic missile submarines * 11 nuclear-powered aircraft carriers * 48 nuclear-powered attack submarines * 0-4 nuclear-powered cruise missile submarines * 88 large, multi-mission, surface combatants * 52 small, multi-role, surface combatants * 33 amphibious landing ships * 29 combat logistics force ships * 33 support vessels


Historically significant vessels

The U.S. Navy has operated a number of vessels important to both United States and world naval history: * , nicknamed "Old Ironsides", is the only surviving vessel of the original six frigates authorized by Congress in the
Naval Act of 1794 The Act to Provide a Naval Armament (Sess. 1, ch. 12, ), also known as the Naval Act of 1794, or simply, the Naval Act, was passed by the 3rd United States Congress on March 27, 1794, and signed into law by President George Washington. The act ...
, which established the United States Navy. It served with distinction in the War of 1812, singlehandedly defeating a number of powerful enemy warships, and is currently docked in
Charlestown, Massachusetts Charlestown is the oldest neighborhood in Boston, Massachusetts, in the United States. Originally called Mishawum by the Massachusett tribe, it is located on a peninsula north of the Charles River, across from downtown Boston, and also adjoins ...
, as the oldest commissioned warship ''afloat''. * was involved in the
Battle of Flamborough Head The Battle of Flamborough Head was a naval battle that took place on 23 September 1779 in the North Sea off the coast of Yorkshire between a combined Franco-American squadron, led by Continental Navy officer John Paul Jones, and two British e ...
on 23 September 1779, one of the most celebrated naval actions of the
American War of Independence The American Revolutionary War (April 19, 1775 – September 3, 1783), also known as the Revolutionary War or American War of Independence, was a major war of the American Revolution. Widely considered as the war that secured the independence of t ...
. This battle is famous in part for ''Bonhomme Richard''s commander
John Paul Jones John Paul Jones (born John Paul; July 6, 1747 July 18, 1792) was a Scottish-American naval captain who was the United States' first well-known naval commander in the American Revolutionary War. He made many friends among U.S political elites ( ...
, when called upon to surrender his sinking ship by the captain of the more heavily armed British frigate by replying, "Sir, I have not yet begun to fight!", before defeating and capturing the Serapis. * was a 36-gun
sailing frigate A frigate () is a type of warship. In different eras, the roles and capabilities of ships classified as frigates have varied somewhat. The name frigate in the 17th to early 18th centuries was given to any full-rigged ship built for speed and ...
that ran aground and was captured intact in Tripoli Harbor by
Barbary corsair The Barbary pirates, or Barbary corsairs or Ottoman corsairs, were Muslim pirates and privateers who operated from North Africa, based primarily in the ports of Salé, Rabat, Algiers, Tunis and Tripoli. This area was known in Europe as the ...
s during the First Barbary War. On the night of 16 February 1804, four months after the ship was turned against American ships, Lieutenant
Stephen Decatur Stephen Decatur Jr. (; January 5, 1779 – March 22, 1820) was an American naval officer and commodore. He was born on the eastern shore of Maryland in Worcester County. His father, Stephen Decatur Sr., was a commodore in the Unit ...
led a small detachment of U.S. Marines aboard a captured Tripolitan
ketch A ketch is a two- masted sailboat whose mainmast is taller than the mizzen mast (or aft-mast), and whose mizzen mast is stepped forward of the rudder post. The mizzen mast stepped forward of the rudder post is what distinguishes the ketch fr ...
close enough to board her. Decatur's men stormed the ship, overpowered the Tripolitan sailors, and set fire to ''Philadelphia''. British Admiral
Horatio Nelson Vice-Admiral Horatio Nelson, 1st Viscount Nelson, 1st Duke of Bronte (29 September 1758 – 21 October 1805) was a British flag officer in the Royal Navy. His inspirational leadership, grasp of strategy, and unconventional tactics brought a ...
is said to have called this "the most bold and daring act of the age." * was
Commodore Commodore may refer to: Ranks * Commodore (rank), a naval rank ** Commodore (Royal Navy), in the United Kingdom ** Commodore (United States) ** Commodore (Canada) ** Commodore (Finland) ** Commodore (Germany) or ''Kommodore'' * Air commodore ...
Matthew Perry Matthew Langford Perry (born August 19, 1969) is an American-Canadian actor. He is best known for his role as Chandler Bing on the NBC television sitcom ''Friends'' (1994–2004). As well as starring in the short-lived television series '' St ...
's
flagship A flagship is a vessel used by the commanding officer of a group of naval ships, characteristically a flag officer entitled by custom to fly a distinguishing flag. Used more loosely, it is the lead ship in a fleet of vessels, typically the ...
when the threat of force by his fleet brought about the signing of the
Convention of Kanagawa The Convention of Kanagawa, also known as the Kanagawa Treaty (, ''Kanagawa Jōyaku'') or the Japan–US Treaty of Peace and Amity (, ''Nichibei Washin Jōyaku''), was a treaty signed between the United States and the Tokugawa Shogunate on March ...
in 1854. This treaty played a leading role in the
opening of Japan was the final years of the Edo period when the Tokugawa shogunate ended. Between 1853 and 1867, Japan ended its isolationist foreign policy known as and changed from a feudal Tokugawa shogunate to the modern empire of the Meiji government. ...
to the West and the creation of the
Open Door Policy The Open Door Policy () is the United States diplomatic policy established in the late 19th and early 20th century that called for a system of equal trade and investment and to guarantee the territorial integrity of Qing China. The policy wa ...
. * and are together known for participating in the first engagement between two steam-powered ironclads, known as the
Battle of Hampton Roads The Battle of Hampton Roads, also referred to as the Battle of the ''Monitor'' and ''Virginia'' (rebuilt and renamed from the USS ''Merrimack'') or the Battle of Ironclads, was a naval battle during the American Civil War. It was fought over t ...
, on 9 March 1862. ''Monitor'' was the first ironclad built by the U.S. Navy and its design introduced the rotating gun turret to naval warfare. * was the first submarine built by the U.S. Navy. The submarine sank in 1863 while being towed during a storm and never saw combat. Though not a U.S. Navy vessel, the Confederate (from the same war and era) was the first successful combat submarine. * and fought a celebrated a
single-ship action A single-ship action is a naval engagement fought between two warships of opposing sides, excluding submarine engagements; called so because there is a single ship on each side. The following is a list of notable single-ship actions. Single-shi ...
known as the
Battle of Cherbourg (1864) The Battle of Cherbourg, or sometimes the Battle off Cherbourg or the Sinking of CSS ''Alabama'', was a single-ship action fought during the American Civil War between a United States Navy warship, , and a Confederate States Navy warship, , on ...
during the
American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by Names of the American Civil War, other names) was a civil war in the United States. It was fought between the Union (American Civil War), Union ("the North") and t ...
on 19 June 1864, off
Cherbourg Cherbourg (; , , ), nrf, Chèrbourg, ) is a former commune and subprefecture located at the northern end of the Cotentin peninsula in the northwestern French department of Manche. It was merged into the commune of Cherbourg-Octeville on 28 Febr ...
,
France France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of Overseas France, overseas regions and territories in the Americas and the Atlantic Ocean, Atlantic, Pacific Ocean, Pac ...
. * In January 1898, ''Maine'' was sent from Key West, Florida, to Havana, Cuba, to protect U.S. interests during a time of local insurrection and civil disturbances. Three weeks later, on 15 February at 9:40 p.m., an explosion on board the Maine occurred in the Havana Harbor. The explosion was a precipitating cause of the
Spanish–American War , partof = the Philippine Revolution, the decolonization of the Americas, and the Cuban War of Independence , image = Collage infobox for Spanish-American War.jpg , image_size = 300px , caption = (clock ...
that began in April 1898. * is a
protected cruiser Protected cruisers, a type of naval cruiser of the late-19th century, gained their description because an armoured deck offered protection for vital machine-spaces from fragments caused by shells exploding above them. Protected cruisers re ...
that became famous as the flagship of Commodore
George Dewey George Dewey (December 26, 1837January 16, 1917) was Admiral of the Navy, the only person in United States history to have attained that rank. He is best known for his victory at the Battle of Manila Bay during the Spanish–American War, with ...
at the victorious
Battle of Manila Bay The Battle of Manila Bay ( fil, Labanan sa Look ng Maynila; es, Batalla de Bahía de Manila), also known as the Battle of Cavite, took place on 1 May 1898, during the Spanish–American War. The American Asiatic Squadron under Commodore ...
during the Spanish–American War in 1898, which lead directly to the United States annexing the
Philippines The Philippines (; fil, Pilipinas, links=no), officially the Republic of the Philippines ( fil, Republika ng Pilipinas, links=no), * bik, Republika kan Filipinas * ceb, Republika sa Pilipinas * cbk, República de Filipinas * hil, Republ ...
from 1899 to 1946. ''Olympia'' has been preserved as a
museum ship A museum ship, also called a memorial ship, is a ship that has been preserved and converted into a museum open to the public for educational or memorial purposes. Some are also used for training and recruitment purposes, mostly for the small numb ...
to the present day. * was the first submarine commissioned in the U.S. Navy. * was the
lead ship The lead ship, name ship, or class leader is the first of a series or class of ships all constructed according to the same general design. The term is applicable to naval ships and large civilian vessels. Large ships are very complex and may ...
of her class of six
battleship A battleship is a large armour, armored warship with a main artillery battery, battery consisting of large caliber guns. It dominated naval warfare in the late 19th and early 20th centuries. The term ''battleship'' came into use in the late 1 ...
s. She served as flagship the
Great White Fleet The Great White Fleet was the popular nickname for the group of United States Navy battleships which completed a journey around the globe from December 16, 1907 to February 22, 1909 by order of President Theodore Roosevelt. Its mission was ...
, the popular nickname for the U.S. Navy battle fleet that completed a
circumnavigation Circumnavigation is the complete navigation around an entire island, continent, or astronomical body (e.g. a planet or moon). This article focuses on the circumnavigation of Earth. The first recorded circumnavigation of the Earth was the ...
of the globe from 16 December 1907 to 22 February 1909. This dramatic show of force was presented by order of U.S. President
Theodore Roosevelt Theodore Roosevelt Jr. ( ; October 27, 1858 – January 6, 1919), often referred to as Teddy or by his initials, T. R., was an American politician, statesman, soldier, conservationist, naturalist, historian, and writer who served as the 26t ...
to demonstrate to the rest of the world America's military power and
blue-water navy A blue-water navy is a maritime force capable of operating globally, essentially across the deep waters of open oceans. While definitions of what actually constitutes such a force vary, there is a requirement for the ability to exercise sea cont ...
capability. * was the lead ship of her class, and, when commissioned in 1910, was the first American modern "
dreadnought The dreadnought (alternatively spelled dreadnaught) was the predominant type of battleship in the early 20th century. The first of the kind, the Royal Navy's , had such an impact when launched in 1906 that similar battleships built after her ...
" battleship, a type of battleship armed with eight or more major
caliber In guns, particularly firearms, caliber (or calibre; sometimes abbreviated as "cal") is the specified nominal internal diameter of the gun barrel bore – regardless of how or where the bore is measured and whether the finished bore matc ...
guns, pioneered by the British Royal Navy, which made all previous battleships obsolete. * is notable for being the first US battleship to become a permanent museum ship, the first battleship declared to be a US National Historic Landmark, the only remaining World War I–era dreadnought battleship, and the only remaining capital ship to have served in both World Wars. * was the United States Navy's first
aircraft carrier An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. Typically, it is the capital ship of a fleet, as it allows a ...
, converted in 1920 from the collier USS ''Jupiter''. She was also the U.S. Navy's first electrically propelled ship. * was a
river gunboat A river gunboat is a type of gunboat adapted for river operations. River gunboats required shallow draft for river navigation. They would be armed with relatively small caliber cannons, or a mix of cannons and machine guns. If they carried mor ...
that was sunk by Japanese aircraft on 12 December 1937 while she was anchored in the
Yangtze River The Yangtze or Yangzi ( or ; ) is the longest river in Asia, the third-longest in the world, and the longest in the world to flow entirely within one country. It rises at Jari Hill in the Tanggula Mountains (Tibetan Plateau) and flows ...
outside
Nanking Nanjing (; , Mandarin pronunciation: ), alternately romanized as Nanking, is the capital of Jiangsu province of the People's Republic of China. It is a sub-provincial city, a megacity, and the second largest city in the East China region. T ...
(now known as Nanjing),
China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's List of countries and dependencies by population, most populous country, with a Population of China, population exceeding 1.4 billion, slig ...
. Japan and the United States were not at war at the time. The Japanese claimed that they did not see the
American flags The national flag of the United States of America, often referred to as the ''American flag'' or the ''U.S. flag'', consists of thirteen equal horizontal stripes of red (top and bottom) alternating with white, with a blue rectangle in the c ...
painted on the deck of the gunboat, apologized, and paid an indemnity. Nevertheless, the attack, and the subsequent Allison incident in Nanking, caused U.S. opinion to turn against the Japanese. * was commissioned on 2 June 1941 as the first of 122
escort carrier The escort carrier or escort aircraft carrier (U.S. hull classification symbol CVE), also called a "jeep carrier" or "baby flattop" in the United States Navy (USN) or "Woolworth Carrier" by the Royal Navy, was a small and slow type of aircraft ...
s built by United States shipyards during
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
. Escort carriers were typically smaller, shorter, slower, cheaper, and more quickly built than fleet carriers, and also carried fewer planes. They however made huge contributions to winning the war through escorting convoys, providing
air support In military tactics, close air support (CAS) is defined as air action such as air strikes by fixed or rotary-winged aircraft against hostile targets near friendly forces and require detailed integration of each air mission with fire and movemen ...
to ground troops, transporting aircraft, and forming the core of hunter-killer groups which sought out and sank enemy submarines. * was a was torpedoed and sunk by a German submarine in a case of mistaken identity, during the period of neutrality five weeks before the
attack on Pearl Harbor The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service upon the United States against the naval base at Pearl Harbor in Honolulu, Territory of Hawaii ...
entered the United States into World War II. Many consider it the first United States Navy ship sunk by hostile action in the European theater of World War II. The ship's sinking provoked a furious outburst in the United States, especially when Germany refused to apologize, instead countering that the destroyer was operating in what Germany considered to be a war zone and had suffered the consequences * was a , best known for her cataclysmic and dramatic sinking, with the loss of 1,177 lives, during the Japanese attack on Pearl Harbor on 7 December 1941, the event that brought about U.S. involvement in World War II. The USS ''Arizona'' Memorial is constructed over the shattered hull, which still contains the remains of most of the crew. It is commonly—but incorrectly—believed that ''Arizona'' remains perpetually in commission, likely because naval vessels entering Pearl Harbor render honors to the remains of the vessel. * , a which primarily served during
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was List of wars and anthropogenic disasters by death toll, one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, ...
and was notable for being sunk in the attack on Pearl Harbor. She was used to test various remote control equipment before being turned into a
target ship A target ship is a vessel — typically an obsolete or captured warship — used as a seaborne target for naval gunnery practice or for weapons testing. Targets may be used with the intention of testing effectiveness of specific types of ammunit ...
for training Navy
dive bomber A dive bomber is a bomber aircraft that dives directly at its targets in order to provide greater accuracy for the bomb it drops. Diving towards the target simplifies the bomb's trajectory and allows the pilot to keep visual contact through ...
s. Supposedly mistaken by the Japanese for an active ship, she was sunk and attempts to right and refloat her failed. Alongside USS ''Arizona'', she is the only other ship to remain in Pearl Harbor in the aftermath of the attack. She is also the state ship of
Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to its ...
. * , a , was the most engaged and decorated U.S. warship in World War II, involved in five of the six major carrier-versus-carrier battles of the Pacific Theater, as well as a host of minor engagements, and earning 20 of 22 possible battle stars. She was the only ship outside the British Royal Navy to earn the Admiralty Pennant, the highest award of the British, in the more than 400 years since its creation. * , a , was best known for launching the
Doolittle Raid The Doolittle Raid, also known as the Tokyo Raid, was an air raid on 18 April 1942 by the United States on the Japanese capital Tokyo and other places on Honshu during World War II. It was the first American air operation to strike the Japa ...
on Tokyo on 18 April 1942, as well as participating in the pivotal victory at the
Battle of Midway The Battle of Midway was a major naval battle in the Pacific Theater of World War II that took place on 4–7 June 1942, six months after Japan's attack on Pearl Harbor and one month after the Battle of the Coral Sea. The U.S. Navy under ...
. * was the
lead ship The lead ship, name ship, or class leader is the first of a series or class of ships all constructed according to the same general design. The term is applicable to naval ships and large civilian vessels. Large ships are very complex and may ...
of her highly successful class of submarine, which, along with the closely related and , eventually totaled 213 ships. These modern submarines were responsible for most of the destruction 55% of Japan's merchant marine that came about from American submarine attack during World War II. The war against shipping was the single most decisive factor in the collapse of the Japanese economy during the war. The ''Gato'', ''Balao'', and ''Tench'' classes also remained the backbone of American underwater fleet well past the ending of the war. * was an
light cruiser A light cruiser is a type of small or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck. Prior to th ...
torpedoed and sunk by Japanese submarine at the
Naval Battle of Guadalcanal The Naval Battle of Guadalcanal, sometimes referred to as the Third and Fourth Battles of Savo Island, the Battle of the Solomons, the Battle of Friday the 13th, or, in Japanese sources, the , took place from 12 to 15 November 1942, and was t ...
13 November 1942. A total 687 men, including, infamously, all five of the
Sullivan brothers The five Sullivan brothers were World War II sailor brothers of Irish American descent who, serving together on the light cruiser , were all killed in action during and shortly after its sinking around November 13, 1942. The five brothers, ...
from Waterloo, Iowa, were killed in action as a result of its sinking. * was the only US battleship to sink an enemy battleship in direct combat, when she sank the in the
Naval Battle of Guadalcanal The Naval Battle of Guadalcanal, sometimes referred to as the Third and Fourth Battles of Savo Island, the Battle of the Solomons, the Battle of Friday the 13th, or, in Japanese sources, the , took place from 12 to 15 November 1942, and was t ...
, 13 November 1942. * was an aircraft carrier and the lead ship of the twenty four-ship . The ''Essex'' class was the 20th century's most numerous class of capital ships, was the backbone of the U.S. Navy's combat strength during World War II from mid-1943 on, and (along with the addition of the three carriers just after the war) continued to be the heart of U.S. Naval strength until the 1960s and 1970s. * was a that sank six Japanese submarines in twelve days during May 1944, a feat unparalleled in the history of antisubmarine warfare. * was a best known for torpedoing and sinking the 72,000-ton Japanese aircraft carrier , the largest warship ever sunk by a submarine, in November 1944. * , a ''Balao''-class submarine that performed the amazing feat of sinking three Japanese submarines in a 76-hour period, in February 1945 during World War II. * , a , delivered components of
Little Boy "Little Boy" was the type of atomic bomb dropped on the Japanese city of Hiroshima on 6 August 1945 during World War II, making it the first nuclear weapon used in warfare. The bomb was dropped by the Boeing B-29 Superfortress ''Enola Gay'' p ...
, the first nuclear weapon used in combat, to the US Air Army Air Force base on
Tinian island Tinian ( or ; old Japanese name: 天仁安島, ''Tenian-shima'') is one of the three principal islands of the Commonwealth of the Northern Mariana Islands. Together with uninhabited neighboring Aguiguan, it forms Tinian Municipality, one of the ...
. Upon completion of this secret mission, it was sunk on 30 July 1945 by the Imperial Japanese Navy, leading to the worst loss of life at sea in U.S. Navy history. Approximately 300 sailors of the listed crew of 1,196 died in the attack itself, but of the 880 who survived after, only 316 men lived to be rescued. The men survived four days after suffering from a lack of food, dehydration, exposure, and shark attacks (as referenced in the movie ''
Jaws Jaws or Jaw may refer to: Anatomy * Jaw, an opposable articulated structure at the entrance of the mouth ** Mandible, the lower jaw Arts, entertainment, and media * Jaws (James Bond), a character in ''The Spy Who Loved Me'' and ''Moonraker'' * ...
''). * , an , was the site of the surrender of the
Empire of Japan The also known as the Japanese Empire or Imperial Japan, was a historical nation-state and great power that existed from the Meiji Restoration in 1868 until the enactment of the post-World War II 1947 constitution and subsequent form ...
which ended World War II. She was also the last battleship built by the United States. In 1955, she was decommissioned and assigned to the inactive reserve fleet (the "Mothball Fleet"), but reactivated and modernized in 1984 as part of the 600-ship Navy plan, and fought in the 1991
Gulf War The Gulf War was a 1990–1991 armed campaign waged by a 35-country military coalition in response to the Iraqi invasion of Kuwait. Spearheaded by the United States, the coalition's efforts against Iraq were carried out in two key phases: ...
. Decommissioned in 1995, she was the last actively serving battleship in the world. She was donated to the USS Missouri Memorial Association in 1998 and became a
museum ship A museum ship, also called a memorial ship, is a ship that has been preserved and converted into a museum open to the public for educational or memorial purposes. Some are also used for training and recruitment purposes, mostly for the small numb ...
at Pearl Harbor, moored facing USS ''Arizona''. * , a submarine commissioned in 1954, was the world's first nuclear-powered ship. It demonstrated its capabilities by traveling , more than half of which was submerged, in two years before having to refuel while breaking the record for longest submerged voyage, as well as being the first submarine to transit submerged under the
North Pole The North Pole, also known as the Geographic North Pole or Terrestrial North Pole, is the point in the Northern Hemisphere where the Earth's axis of rotation meets its surface. It is called the True North Pole to distinguish from the Ma ...
in 1958. * , a
nuclear-powered submarine A nuclear submarine is a submarine powered by a nuclear reactor, but not necessarily nuclear-armed. Nuclear submarines have considerable performance advantages over "conventional" (typically diesel-electric) submarines. Nuclear propulsion, ...
commissioned in 1957, was the first ship to physically reach the North Pole when she surfaced there in 1958. * , a nuclear-powered submarine commissioned in 1959, made the first submerged circumnavigation of the world during its
shakedown cruise Shakedown cruise is a nautical term in which the performance of a ship is tested. Generally, shakedown cruises are performed before a ship enters service or after major changes such as a crew change, repair or overhaul. The shakedown cruise ...
in 1960, as well as being the only non-Soviet submarine to be powered by two nuclear reactors. * , the lead ship of her class of nuclear-powered attack submarines and was lost by accident on 10 April 1963. * , commissioned in 1959, was the first ever
ballistic missile submarine A ballistic missile submarine is a submarine capable of deploying submarine-launched ballistic missiles (SLBMs) with nuclear warheads. The United States Navy's hull classification symbols for ballistic missile submarines are SSB and SSBN ...
. * was the first nuclear-powered ''surface'' warship in the world when she was commissioned in 1961 and signalled a new era of United States naval weaponry by being the first large ship in the Navy to have guided missiles as its main battery. * was the world's first nuclear-powered aircraft carrier when she was commissioned in 1961. * was an that was involved in a skirmish with North Vietnamese torpedo boats on 2 August 1964, known as the
Gulf of Tonkin incident The Gulf of Tonkin incident ( vi, Sự kiện Vịnh Bắc Bộ) was an international confrontation that led to the United States engaging more directly in the Vietnam War. It involved both a proven confrontation on August 2, 1964, carried out b ...
, which served as President
Lyndon B. Johnson Lyndon Baines Johnson (; August 27, 1908January 22, 1973), often referred to by his initials LBJ, was an American politician who served as the 36th president of the United States from 1963 to 1969. He had previously served as the 37th vice ...
's legal justification for deploying U.S. conventional forces in Vietnam and for the commencement of open warfare against North Vietnam. * was an intelligence gathering ship involved in an international incident when attacked by Israeli jet fighter planes and motor torpedo boats on 8 June 1967, during the
Six-Day War The Six-Day War (, ; ar, النكسة, , or ) or June War, also known as the 1967 Arab–Israeli War or Third Arab–Israeli War, was fought between Israel and a coalition of Arab states (primarily Egypt, Syria, and Jordan) from 5 to 10 ...
and while in international waters off the
Sinai Peninsula The Sinai Peninsula, or simply Sinai (now usually ) (, , cop, Ⲥⲓⲛⲁ), is a peninsula in Egypt, and the only part of the country located in Asia. It is between the Mediterranean Sea to the north and the Red Sea to the south, and is a ...
. * was an intelligence gathering vessel involved in an international incident when boarded and seized by the
Democratic People's Republic of Korea North Korea, officially the Democratic People's Republic of Korea (DPRK), is a country in East Asia. It constitutes the northern half of the Korean Peninsula and shares borders with China and Russia to the north, at the Yalu (Amnok) and T ...
(North Korea) on 23 January 1968. The ship is still under Korean control, and remains in commission to this day. * is lead ship of her class of ten nuclear-powered
supercarrier An aircraft carrier is a warship that serves as a seagoing airbase, equipped with a full-length flight deck and facilities for carrying, arming, deploying, and recovering aircraft. Typically, it is the capital ship of a fleet, as it allows a n ...
s. Since ''Nimitz'' was commissioned on 3 May 1975, these ships have been the centerpiece of American naval power. They are also largest warships ever built, although they are being eclipsed by the upcoming s. * was a
light cruiser A light cruiser is a type of small or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck. Prior to th ...
, present during the Japanese attack on Pearl Harbor and earning nine battle stars for World War II service. Transferred to the
Argentine Navy The Argentine Navy (ARA; es, Armada de la República Argentina). This forms the basis for the navy's ship prefix "ARA". is the navy of Argentina. It is one of the three branches of the Armed Forces of the Argentine Republic, together with th ...
in 1951, she was ultimately renamed in 1956. She was torpedoed and sunk during the
Falklands War The Falklands War ( es, link=no, Guerra de las Malvinas) was a ten-week undeclared war between Argentina and the United Kingdom in 1982 over two British dependent territories in the South Atlantic: the Falkland Islands and its territorial ...
on 2 May 1982 by the British nuclear-powered submarine , with the loss of 323 lives, or just over half of Argentine deaths in the war. The sinking of ''General Belgrano'' was
controversial Controversy is a state of prolonged public dispute or debate, usually concerning a matter of conflicting opinion or point of view. The word was coined from the Latin ''controversia'', as a composite of ''controversus'' – "turned in an opposite d ...
in both Britain and Argentina at the time, and for some, remains so to this day. * was struck on 17 May 1987 by two
Exocet The Exocet () is a French-built anti-ship missile whose various versions can be launched from surface vessels, submarines, helicopters and fixed-wing aircraft. Etymology The missile's name was given by M. Guillot, then the technical director ...
antiship missiles fired from an Iraqi
Mirage F1 The Dassault Mirage F1 is a French fighter and attack aircraft designed and manufactured by Dassault Aviation. It was developed as a successor to the popular Mirage III family. During the 1960s, Dassault commenced development of what would ...
fighter during the
Iran–Iraq War The Iran–Iraq War was an armed conflict between Iran and Iraq that lasted from September 1980 to August 1988. It began with the Iraqi invasion of Iran and lasted for almost eight years, until the acceptance of United Nations Security Counci ...
becoming the victim of the only successful anti-ship missile attack on a U.S. Navy warship. * is an which struck an Iranian mine on 14 April 1988, severely damaging, and nearly sinking her, resulting in ten injured sailors, but no fatalities. The ship suffered flooding, fires, and a broken
keel The keel is the bottom-most longitudinal structural element on a vessel. On some sailboats, it may have a hydrodynamic and counterbalancing purpose, as well. As the laying down of the keel is the initial step in the construction of a ship, in Br ...
, which normally is fatal to the ship, but damage control efforts saved the ship. The attack resulted in the launching of
Operation Praying Mantis Operation Praying Mantis was an attack on 18 April 1988, by the United States Armed Forces within Iranian territorial waters in retaliation for the Iranian naval mining of the Persian Gulf during the Iran–Iraq War and the subsequent dam ...
. The ship was repaired and continued active service until it was decommissioned on 22 May 2015. * is a AEGIS equipped guided missile cruiser. On 3 July 1988, the ship shot down
Iran Air Flight 655 Iran Air Flight 655 was a scheduled passenger flight from Tehran to Dubai via Bandar Abbas that was shot down on 3July 1988 by two SM-2MR surface-to-air missiles fired by the , a guided-missile cruiser of the United States Navy. The aircraft, ...
over the Persian Gulf, killing all 290 civilian passengers on board, including 38 non-Iranians and 66 children. * On 12 October 2000, while at anchor in
Aden Aden ( ar, عدن ' Yemeni: ) is a city, and since 2015, the temporary capital of Yemen, near the eastern approach to the Red Sea (the Gulf of Aden), some east of the strait Bab-el-Mandeb. Its population is approximately 800,000 peopl ...
, Yemen, ''Cole'' was attacked by
Al-Qaeda Al-Qaeda (; , ) is an Islamic extremist organization composed of Salafist jihadists. Its members are mostly composed of Arabs, but also include other peoples. Al-Qaeda has mounted attacks on civilian and military targets in various countr ...
suicide bombers, who sailed a small boat near the destroyer and detonated explosive charges. The blast created a hole in the port side of the ship about in diameter, killing 17 crew members and injuring 39. * is a that, on 9 February 2001, precipitated international controversy when she
struck Struck is a surname. Notable people with the surname include: * Adolf Struck (1877–1911), German author *Hermann Struck (1876–1944), German artist *Karin Struck (1947–2006), German author *Paul Struck (1776-1820), German composer *Peter Stru ...
the Japanese
fishery Fishery can mean either the enterprise of raising or harvesting fish and other aquatic life; or more commonly, the site where such enterprise takes place ( a.k.a. fishing ground). Commercial fisheries include wild fisheries and fish farms, ...
high school training ship ''Ehime Maru'' (えひめ丸) off the coast of
Oahu Oahu () ( Hawaiian: ''Oʻahu'' ()), also known as "The Gathering Place", is the third-largest of the Hawaiian Islands. It is home to roughly one million people—over two-thirds of the population of the U.S. state of Hawaii. The island of O ...
, causing the fishing boat to sink in less than ten minutes with the death of nine crew members. The ''Greeneville'' was conducting a practice emergency main ballast tank blow as a demonstration to civilian visitors.


See also

* List of United States Navy ships *
Equipment of the United States Navy The equipment of the United States Navy have been subdivided into: watercraft, aircraft, munitions, vehicles, and small arms. Surface ships Commissioned surface ships and submarines (arranged by class and displacement) Small boats Submari ...
* List of current ships of the United States Navy * List of currently active United States military watercraft *
List of United States Navy amphibious warfare ships This is a list of United States Navy amphibious warfare ships. This type of ship has been in use with the US Navy since World War I. Ship status is indicated as either currently active (including ready reserve), inactive or precommissionin ...
*
List of submarine classes in service The list of submarine classes in service includes all submarine classes currently in service with navies or other armed forces worldwide. For surface combatants, see the list of naval ship classes in service. Ballistic missile submarines C ...
*
List of naval ship classes in service The list of naval ship classes in service includes all combatant surface classes in service currently with navies or armed forces and auxiliaries in the world. Ships are grouped by type, and listed alphabetically within. For other vessels, see ...
* List of auxiliary ship classes in service *
List of Military Sealift Command ships This is a list of Military Sealift Command ships. The fleet includes about 130 ships in eight programs: Fleet Oiler (PM1), Special Mission (PM2), Strategic Sealift (PM3), Tow, Salvage, Tender, and Hospital Ship (PM4), Sealift (PM5), Combat Logisti ...
* United States ship naming conventions *
Glossary of watercraft types in service of the United States This glossary defines the various types of ships and accessory watercraft that have been used in service of the United States. Such service is mainly defined as military vessels used in the United States Navy and United States Coast Guard, as well ...


References

{{DEFAULTSORT:United States Navy Ships es:USS