The Pearl Harbor Naval Shipyard and Intermediate Maintenance Facility is a

United States Navy The United States Navy (USN) is the naval warfare, maritime military branch, service branch of the United States Department of Defense. It is the world's most powerful navy with the largest Displacement (ship), displacement, at 4.5 millio ...

shipyard A shipyard, also called a dockyard or boatyard, is a place where ships are shipbuilding, built and repaired. These can be yachts, military vessels, cruise liners or other cargo or passenger ships. Compared to shipyards, which are sometimes m ...

located in

Pearl Harbor Pearl Harbor is an American lagoon harbor on the island of Oahu, Hawaii, west of Honolulu. It was often visited by the naval fleet of the United States, before it was acquired from the Hawaiian Kingdom by the U.S. with the signing of the Reci ...

Hawaii Hawaii ( ; ) is an island U.S. state, state of the United States, in the Pacific Ocean about southwest of the U.S. mainland. One of the two Non-contiguous United States, non-contiguous U.S. states (along with Alaska), it is the only sta ...

on 148 acres. It is one of just four public shipyards operated by the United States Navy. The shipyard is physically a part of

Joint Base Pearl Harbor–Hickam Joint Base Pearl Harbor–Hickam (JBPHH) is a United States military base on the island of Oahu, Hawaii. It is Joint Base, an amalgamation of the United States Air Force's Hickam Air Force Base and the United States Navy's Naval Station Pearl ...

History

Pearl Harbor started as naval facility and coaling station after a December 9, 1887, agreement.

King Kalākaua King is a royal title given to a male monarch. A king is an absolute monarch if he holds unrestricted governmental power or exercises full sovereignty over a nation. Conversely, he is a constitutional monarch if his power is restrained by f ...

granted the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

exclusive rights to use Pearl Harbor as a port and repair base. The United States–Hawaii relationship started with the Reciprocity Treaty of 1875, a free trade agreement. The Naval Station had existed in Pearl Harbor since 1898, but in 1908 the

United States Congress The United States Congress is the legislature, legislative branch of the federal government of the United States. It is a Bicameralism, bicameral legislature, including a Lower house, lower body, the United States House of Representatives, ...

allocated $3 million to build the shipyard, then called Navy Yard Pearl Harbor. The shipyard grew quickly, and work began on the first

drydock A dry dock (sometimes drydock or dry-dock) is a narrow basin or vessel that can be flooded to allow a load to be floated in, then drained to allow that load to come to rest on a dry platform. Dry docks are used for the construction, maintenance, ...

, which collapsed before opening in 1913. After rebuilding, Dry Dock #1 was opened August 21, 1919. Through these years, the shipyard was just a part of the Naval Station. The shipyard officially became its own entity in December 1941 as part of the Navy's effort to separate military from industrial operations. The shipyard is on the shore of East Loch across from

Ford Island Ford Island () is an islet in the center of Pearl Harbor, Oahu, in the U.S. state of Hawaii. It has been known as Rabbit Island, Marín's Island, and Little Goats Island; its native Hawaiian name is ''Mokuumeume''. The island had an area of ...

. The Navy built 1010 dock, a 1010-foot wharf at the Navy Yard that had berth B-1, B-2 and B-3. Later 1010 dock was lengthened to longer than 1010 feet. The ships USS ''Helena'' and USS ''Oglala'' (that sank) were docked during the attack. Bravo Docks, are a 2,900-foot wharf at the Navy Yard with berth B-22 to B-26. The destroyer USS ''Bagley'' was at Bravo Dock in the attack. Navy Yard has Pearl Harbor berths B-1 to B-26. The shipyard has grown to four dry docks, which are mainly used for repairing and maintaining nuclear submarines. The shipyard has about 5,800 civilian employees and 500 military personnel.

Dry docks

Naval Inactive Ship Maintenance Facility

Mothballed ships at Pearl Harbor NSIMF in July 2016

The Naval Inactive Ship Maintenance Facility (NISMF) at Pearl Harbor, Hawaii, ports logistic support

cargo ship A cargo ship or freighter is a merchant ship that carries cargo, goods, and materials from one port to another. Thousands of cargo carriers ply the world's List of seas, seas and Ocean, oceans each year, handling the bulk of international trade. ...

s and amphibious transport dock ships. The NISMF Pearl Harbor ships are kept afloat and in fair working order, so they can be reactivated for emergency use. Some of the ships are decommissioned US Navy ships and are pending determination of their final fate. Naval Inactive Ship Maintenance Facility is part of the United States Navy reserve fleets.

World War II

In December 1939 a contract was awarded for two reinforced concrete drydocks. The new dock were to be built next to the existing 1919 battleship dock. The new Dock No. 2 was also a battleship dock at 1,000 feet long and 133 feet wide. The new Dock No. 3, for destroyers and submarines, work in 497 feet long and 84 feet wide. On December 7, 1941, Dock No. 2 was complete and Dock No. 3 was halfway completed. Dock No. 1 was damaged by the burning of the destroyers and in the attack. In the attack 21 ships were damaged and/or sunk. Only two were not worked on at the yard. The

Auxiliary floating drydock An auxiliary floating drydock is a type of US Navy List of auxiliaries of the United States Navy, auxiliary Dry dock#Floating, floating dry dock. Floating dry docks are able to submerge underwater and to be placed under a ship in need of repai ...

USS ''YFD-2'' was sunk in the attack with destroyer in for repair. Dock No. 2 was the only drydock working after the attack, and it still have some finished work to be done. By December 10 the cruiser in Dock No. 2 for repair until the 21st. At the same time Dock No. 2 was complete. On October 4, 1941 a CPFF contract was made for the construction of Dock No. 4, 1,100 feet long and 147 feet wide . The contract also included a power plant and mooring for aircraft carriers at the shipyard. Dock No. 4 was ready for use by July 19, 1943. With the Pacific War's vast fleet a marine railway was completed on September 15, 1943 for work on destroyers and submarines. Work on the marine railway was started on January 1, 1943. The marine railway was 3,000-ton, 836-foot long. The shipyard had vast salvage work after the attack, both to repair damaged vessels still afloat and to raise sunk or capsized ships. Repairs to damaged vessels included , , , , , , , and . Other ships had to be raised and repaired: , , , , , , and . The was too badly damaged to be repaired and the salvage was stopped. USS ''Oklahoma'' was salvaged but not put back in service due to her age. The shipyard did not have all the material and equipment to do the salvage operations and had to be shipped from the mainland, arriving in February 1942. The USS ''Nevada'' was patched with supplies at the shipyard by drydock workers and placed in the working drydock. The Pacific Bridge Company was given charge for the repairs of ''YFD-2''. Divers had to repair more than 200 holes in ''YFD-2'' to float her again. Repaired, the ''YFD-2'' raised the USS ''Shaw'' for 10 days of repairs to install a new temporary bow so ''Shaw'' could return to the naval shipyard at

Mare Island Mare Island (Spanish language, Spanish: ''Isla de la Yegua'') is a peninsula in the United States in the city of Vallejo, California, about northeast of San Francisco. The Napa River forms its eastern side as it enters the Carquinez Strait junc ...

Vallejo, California Vallejo ( ; ) is a city in Solano County, California, United States, and the second largest city in the North Bay (San Francisco Bay Area), North Bay region of the San Francisco Bay Area, Bay Area. Located on the shores of San Pablo Bay, the ci ...

for final repairs. ''YFD-2'' was used for salvaging and repairing many of the ships damaged on 7 December 1941, as she could raise any ship here, other than the large new battleships. Post World War II, in the

Korean War The Korean War (25 June 1950 – 27 July 1953) was an armed conflict on the Korean Peninsula fought between North Korea (Democratic People's Republic of Korea; DPRK) and South Korea (Republic of Korea; ROK) and their allies. North Korea was s ...

(1950–1953) some ships in the United States Navy reserve fleets returned to active duty after being overhauled at the shipyard and

Sea trial A sea trial or trial trip is the testing phase of a watercraft (including boats, ships, and submarines). It is also referred to as a "shakedown cruise" by many naval personnel. It is usually the last phase of construction and takes place on op ...

by the base. With the

Vietnam War The Vietnam War (1 November 1955 – 30 April 1975) was an armed conflict in Vietnam, Laos, and Cambodia fought between North Vietnam (Democratic Republic of Vietnam) and South Vietnam (Republic of Vietnam) and their allies. North Vietnam w ...

(1955–1975) the base was again busy with support efforts. The

Cold War The Cold War was a period of global Geopolitics, geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc, which lasted from 1947 unt ...

(1947-1991) and the 600-ship Navy had Naval Base Hawaii active.

December 4, 2019 shooting

On December 4, 2019, a 22-year-old, male sailor opened fire with his

M4 carbine The M4 carbine (officially Carbine, Caliber 5.56 mm, M4) is a 5.56×45mm NATO assault rifle developed in the United States during the 1980s. It is a shortened version of the M16A2 assault rifle. The M4 is extensively used by the US mi ...

service rifle, killing two Department of Defense civilian workers and injuring another, then immediately killed himself with his

Beretta M9 The Beretta M9, officially the Pistol, Semiautomatic, 9mm, M9, is the designation for the Beretta 92FS semi-automatic pistol used by the United States Armed Forces. The M9 was adopted by the United States military as their service pistol in 1 ...

service pistol. A Pacific Air Chiefs Symposium was hosted at the naval air station during this time. Officials and military leadership from 18 nations across the Indo-Pacific gathered for the 2019 Pacific Air Chiefs Symposium at Pacific Air Force Headquarters from December 3 to December 6. It was hosted by General David Goldfein, US Air Force Chief of Staff and General CQ Brown Jr., PACF Commander.

Image gallery

File:Pearl Harbor dry docks aerial July 1942.jpg, Pearl Harbor dry docks aerial July 1942, Right to left YFD-2 (with ''Alywin''), Dry Dock 3 (with and ), Dry Dock 2 (with and ) and Dry Dock 1 (with ''West Virginia'') File:US Navy 040630-N-2911P-004 Ships from seven participating nations sit pier side at Pearl Harbor, Hawaii, awaiting the start of exercise Rim of the Pacific (RIMPAC) 2004.jpg, Joint Base Pearl Harbor–Hickam at Pearl Harbor, Hawaii 2004, center Kuahua peninsula depot, right shipyard, bottom

and USS ''Arizona'' Memorial. File:Dry Dock No 1 opening Pearl Harbor 1919.jpg, Dry Dock No. 1 opening at Pearl Harbor in 1919 USS Greeneville (SSN 772) - dry dock Pearl Harbor (1).jpg, in dry dock Pearl Harbor File:USS Saratoga (CV-3) and USS Langley (CVL-27) at Pearl Harbor, circa in January 1944 (80-G-221103).jpg, and at Pearl Harbor Naval Yard in January 1944 File:YardFloatingDock2.jpg, Yard Floating Dock-2 with battleship USS ''Illinois'', a pre-dreadnought battleship in January 1902 for repair File:ARD29 floating repair dry dock.jpg, ARD-29 floating repair in dry dock N0. 4 at Pearl Harbor 1951 File:YFD-2 arriving Pearl Harbor Oct 1940.jpg,

USS ''YFD-2'' arriving Pearl Harbor in 1940 File:NASPH ^118506- 19 March 1943. USS Oklahoma- Salvage. Aerial view toward shore with ship in 90 degree position. - NARA - 296975.jpg, salvage from shore 19 March 1943 Image:USS SHAW exploding Pearl Harbor Nara 80-G-16871 2.jpg, USS ''Shaw'' exploding after her forward magazine was detonated by the raging fire Image:USS Shaw Pearl Harbor-7Dec41.jpg, Wreckage of bombed ''YFD-2'' and ''Shaw'' at Pearl Harbor File:USS Shaw (DD-373) in half-sunken YFD-2 at Pearl Harbor.jpg, USS ''Shaw'' in half-sunken ''YFD-2'' at Pearl Harbor File:USS Shaw (DD-373) in sunken YFD-2 after Pearl Harbor attack.jpg, USS ''Shaw'' in sunken ''YFD-2'' after Pearl Harbor attack.jpg File:The salvaging of the USS Utah.gif, during an ultimately unsuccessful salvage attempt

References

{{Authority control United States Navy shipyards Installations of the United States Navy in Hawaii Buildings and structures in Honolulu County, Hawaii Economy of Hawaii Pearl Harbor