|
San Diego Marine Construction
San Diego Marine was a shipbuilding company in San Diego, California. To support the World War 2 demand for ships San Diego Marine built: minesweepers and sub chasers. San Diego Marine was opened in 1915 as San Diego Marine Construction shipyard Captain Oakley J. Hall. The company was sold to Campbell Industries in 1972. It was sold again in 1979 and renamed Southwest Marine. Boatbuilding ended in 1983. Southwest Marine was sold to U.S. Marine Repair in 2003. The named changed to BAE Systems Ship Repair in 2005. The shipyard is located at 2205 East Belt Street, San Diego. ''YMS-1''-class minesweeper San Diego Marine built s for the United States Navy in 1942 and 1943. The ships had a displacement of 270 tons, a length of , a beam of , a draft of , and a top speed of . The ships had a crew of 32. The vessels were armed with one 40 mm gun. Ships: *''YMS-113'' (later ) *''YMS-114'' (later *''YMS-115'' *''YMS-116'' *''YMS-143'' *''YMS-144'' *''YMS-145'' *''YMS-146'' *''YMS-281'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shipbuilding
Shipbuilding is the construction of ships and other Watercraft, floating vessels. It normally takes place in a specialized facility known as a shipyard. Shipbuilders, also called shipwrights, follow a specialized occupation that traces its roots to before recorded history. Shipbuilding and ship repairs, both commercial and military, are referred to as "Naval architecture, naval engineering". The construction of boats is a similar activity called boat building. The dismantling of ships is called ship breaking. History Pre-history The earliest known depictions (including paintings and models) of shallow-water sailing boats is from the 6th to 5th millennium BC of the Ubaid period of Mesopotamia. They were made from bundled Reed (plant), reeds coated in bitumen and had bipod masts. They sailed in shallow coastal waters of the Persian Gulf. 4th millennium BC Ancient Egypt Evidence from Ancient Egypt shows that the early Egyptians knew how to assemble planks of wood into a hull ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
3"/50 Caliber Gun
The 3"/50 caliber gun (spoken "three-inch fifty-caliber") in United States naval gun terminology indicates the gun fired a projectile in diameter, and the barrel was 50 calibers long (barrel length is 3 in × 50 = ). Different guns (identified by Mark numbers) of this caliber were used by the U.S. Navy and U.S. Coast Guard from 1890 through to 1994 on a variety of combatant and transport ship classes. The gun is still in use with the Spanish Navy on ''Serviola''-class patrol boats. Early low-angle guns The US Navy's first 3"/50 caliber gun (Mark 2) was an early model with a projectile velocity of per second. Low-angle (single-purpose/non-anti-aircraft) mountings for this gun had a range of 7000 yards at the maximum elevation of 15 degrees. The gun entered service around 1900 with the s, and was also fitted to s. By World War II these guns were found only on a few Coast Guard cutters and Defensively Equipped Merchant Ships. Low-angle 3"/50 caliber guns (Marks 3, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
American Theater Of World War II
The American Theater was a theater of operations during World War II including all continental American territory, and extending into the ocean. Owing to North and South America's geographical separation from the central theaters of conflict (in Europe, the Mediterranean and Middle East, and the Pacific) the threat of an invasion of the continental U.S. or other areas in the Americas by the Axis Powers was negligible and the theater saw relatively little conflict. However, despite the relative unimportance of the American Theater, some battles took place within it, including the Battle of the River Plate, submarine attacks off the East Coast, the Aleutian Islands campaign, the Battle of the St. Lawrence, and the attacks on Newfoundland. Espionage efforts included Operation Bolívar. German operations South America ''See also Latin America during World War II'' Battle of the River Plate The first naval battle during the war was fought on December 13, 1939, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Maritime History Of California
The maritime history of California can be divided into several periods: the Native American period; European exploration period from 1542 to 1769; the Spanish colonial period, 1769 to 1821; the Mexican period, 1821 to 1847; and United States statehood period, which continues to the present day. In the history of the California coast, the use of ships and the Pacific Ocean has historically included water craft (such as dugouts, canoes, sailing ships, and steamships), fisheries, shipbuilding, Gold Rush shipping, ports, shipwrecks, naval ships and installations, and lighthouses. Native California maritime peoples Dugout canoes In the northwest coast of California near the redwood forests several Indian tribes developed large dugout canoes they used for fishing, trade and warfare. These canoes were constructed by taking a large tree and shaping it with hand tools and fire to a boat's configuration. A redwood log long and diameter weighs about . This large weight meant th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
California During World War II
California during World War II was a major contributor to the World War II effort. California's long Pacific Ocean coastline provided the support needed for the Pacific War. California also supported the war in Europe. After the Japanese attack on Pearl Harbor, Hawaii, on December 7, 1941, most of California's manufacturing was shifted to the war effort. California became a major ship builder and aircraft manufacturer. Existing military installations were enlarged and many new ones were built. California trained many of the troops before their oversea deployment. Over 800,000 Californians served in the United States Armed Forces. California agriculture, ranches and farms were used to feed the troops around the world. California's long coastline also put the state in fear, as an attack on California seemed likely. California was used for the temporary and permanent internment camps for Japanese Americans. The population of California grew significantly, largely due to servicem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
M2 Browning Machine Gun
The M2 machine gun or Browning .50 caliber machine gun (informally, "Ma Deuce") is a heavy machine gun that was designed towards the end of World War I by John Browning. Its design is similar to Browning's earlier M1919 Browning machine gun, which was chambered for the .30-06 cartridge. The M2 uses Browning's larger and more powerful .50 BMG (12.7 mm) cartridge. The design has had many designations; the official U.S. military designation for the current infantry type is Browning Machine Gun, Cal. .50, M2, HB, Flexible. It is effective against infantry, unarmored or lightly armored vehicles and boats, light fortifications, and low-flying aircraft. The gun has been used extensively as a vehicle weapon and for aircraft armament by the United States since the 1930s. It was heavily used during World War II, the Korean War, the Vietnam War, the Falklands War, the Soviet–Afghan War, the Gulf War, the Iraq War, and the War in Afghanistan. It is the primary heavy machine gun of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Detroit Diesel
Detroit Diesel Corporation (DDC) is an American diesel engine manufacturer headquartered in Detroit, Michigan, United States. It is a subsidiary of Daimler Truck North America, which is itself a wholly owned subsidiary of the mulitinational Daimler Truck AG. The company manufactures heavy-duty engines and chassis components for the on-highway and vocational commercial truck markets. Detroit Diesel has built more than 5 million engines since 1938, more than 1 million of which are still in operation worldwide. Detroit Diesel's product line includes engines, axles, transmissions, and a Virtual Technician service. Detroit engines, transmissions, and axles are used in several models of truck manufactured by Daimler Truck North America. Divisions Detroit Diesel consists of manufacturing operations of axles, transmissions and diesel engines for on-highway only, which is owned by Daimler Truck AG. The former off-highway division was sold to MTU Friedrichshafen in 2006 and subsequent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vietnam War
The Vietnam War (also known by #Names, other names) was a conflict in Vietnam, Laos, and Cambodia from 1 November 1955 to the fall of Saigon on 30 April 1975. It was the second of the Indochina Wars and was officially fought between North Vietnam and South Vietnam. The north was supported by the Soviet Union, China, and other communist states, while the south was United States in the Vietnam War, supported by the United States and other anti-communism, anti-communist Free World Military Forces, allies. The war is widely considered to be a Cold War-era proxy war. It lasted almost 20 years, with direct U.S. involvement ending in 1973. The conflict also spilled over into neighboring states, exacerbating the Laotian Civil War and the Cambodian Civil War, which ended with all three countries becoming communist states by 1975. After the French 1954 Geneva Conference, military withdrawal from Indochina in 1954 – following their defeat in the First Indochina War – the Viet Minh to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
United States Army
The United States Army (USA) is the land warfare, land military branch, service branch of the United States Armed Forces. It is one of the eight Uniformed services of the United States, U.S. uniformed services, and is designated as the Army of the United States in the United States Constitution, U.S. Constitution.Article II, section 2, clause 1 of the United States Constitution (1789). See alsTitle 10, Subtitle B, Chapter 301, Section 3001 The oldest and most senior branch of the U.S. military in order of precedence, the modern U.S. Army has its roots in the Continental Army, which was formed 14 June 1775 to fight the American Revolutionary War (1775–1783)—before the United States was established as a country. After the Revolutionary War, the Congress of the Confederation created the United States Army on 3 June 1784 to replace the disbanded Continental Army.Library of CongressJournals of the Continental Congress, Volume 27/ref> The United States Army considers itself to be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
River Boat
A riverboat is a watercraft designed for inland navigation on lakes, rivers, and artificial waterways. They are generally equipped and outfitted as work boats in one of the carrying trades, for freight or people transport, including luxury units constructed for entertainment enterprises, such as lake or harbour tour boats. As larger water craft, virtually all riverboats are especially designed and constructed, or alternatively, constructed with special-purpose features that optimize them as riverine or lake service craft, for instance, dredgers, survey boats, fisheries management craft, fireboats and law enforcement patrol craft. Design differences Riverboats are usually less sturdy than ships built for the open seas, with limited navigational and rescue equipment, as they do not have to withstand the high winds or large waves characteristic to large lakes, seas or oceans. They can thus be built from light composite materials. They are limited in size by width and depth of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Landing Craft Mechanized
The landing craft mechanized (LCM) is a landing craft designed for carrying vehicles. They came to prominence during the Second World War when they were used to land troops or tanks during Allied amphibious assaults. Variants There was no single design of LCM used, unlike the landing craft, vehicle, personnel (LCVP) or Landing Craft Assault (LCA) landing craft made by the US and UK respectively. There were several different designs built by the UK and US and by different manufacturers. The British motor landing craft was conceived and tested in the 1920s and was used from 1924 in exercises. Nine were in service at the start of the war. It was the first purpose built tank landing craft. It was the progenitor of all subsequent LCM designs. LCM (1) The landing craft, mechanised Mark I was an early British model. It was able to be slung under the davits of a liner or on a cargo ship boom with the result that it was limited to a 16-ton tank. The LCM Mark I was used du ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lcm-8 1972
The LCM-8 ("Mike Boat") is a river boat and mechanized landing craft used by the United States Navy and Army during the Vietnam War and subsequent operations. They are currently used by governments and private organizations throughout the world. The acronym stands for "Landing Craft Mechanized, Mark 8". (The "Mike Boat" term refers to the military phonetic alphabet, LCM being "Lima Charlie Mike".) The vessel weighs 135,000 pounds (61,200 kg) and has a crew of four: a Boatswain's Mate petty officer, an Engineman petty officer, a non-rated fireman, and a seaman. US Army specifications call for a crew of six during 24-hour operations: two coxswains, two seamen and two enginemen. The LCM-8s are constructed from welded steel and powered by four 6-71 or two 12V71 diesel engines, twin propellers, and rudders. The ship can carry 60 short tons of cargo. It was designed by Marinette Marine Corp. It has a range of 190 miles at 9 knots with a full load. Modifications A modifi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
.png "Click for more on -> Shipbuilding")
