41.344343°n 72.079526°w﻿ / 41.344343; -72.079526  general dynamics electric boat (gdeb) is a subsidiary of general dynamics corporation.it has been the primary builder of submarines for the united states navy for more than 100 years.the company's main facilities are a shipyard in groton, connecticut, a hull-fabrication and outfitting facility in quonset point, rhode island, and a design and engineering facility in new london, connecticut.holland vi was the first submarine that this shipyard built, which became uss holland when it was commissioned into the united states navy on april 11, 1900—the first submarine to be officially commissioned.the success of holland vi created a demand for follow-up models (a class or plunger class) that began with the prototype submersible fulton built at electric boat.some foreign navies were interested in john holland's latest submarine designs, and so purchased the rights to build them under licensing contracts through the company; these included the united kingdom's royal navy, the imperial japanese navy, the imperial russian navy, and the royal netherlands navy.from 1907 to 1925 electric boat designed submarines for the navy and subcontracted their construction to the fore river shipyard in quincy, massachusetts and other shipyards.during this era, the company designed submarines of the b, c, d, e, k, l, m, n, aa-1, o, r, and s classes.during the world war i era, the company and its subsidiaries (notably the electric launch company, or elco) built 85 submarines via subcontractors and 722 submarine chasers for the us navy, and 580 80-foot motor launches for the british royal navy.cuttlefish was the first submarine built at eb's plant in groton, connecticut which has ever since been its primary submarine manufacturing facility.eb was the lead yard for several classes of submarines (perch, salmon, sargo, tambor, gar, mackerel and gato) prior to world war ii.starting in the early 1930s, eb was one of only two major us submarine manufacturers (the other being the portsmouth navy yard) until the late 1950s.three other yards (manitowoc, mare island, and cramp) produced submarines only during world war ii.several other yards including mare island built submarines in the late 1950s through the early 1970s.since that time, only electric boat and newport news have built submarines for the us navy.general dynamics acquired convair the following year, and the holding company assumed the 'general dynamics' name while the submarine-building operation reverted to the 'electric boat' name.electric boat built the first nuclear submarine uss nautilus which was launched in january 1954, and the first ballistic missile submarine uss george washington in 1959.submarines of the ohio, los angeles, seawolf, and virginia classes were also constructed by electric boat.in 2002, eb conducted preservation work on nautilus, preparing her for her berth at the us navy submarine force library and museum in groton, connecticut where she now resides as a museum.electric boat's first submarine holland was scrapped in 1932.from the mid-1970s to the present, eb has been one of only two submarine manufacturers in the united states with the other being newport news shipbuilding in virginia.electric boat overhauls and undertakes repair work on fast attack class boats.the company built the ohio-class ballistic missile submarines and seawolf-class submarines, as well as others.in april 2014, eb was awarded a $17.8 billion contract with naval sea systems command for ten block iv virginia-class attack submarines.it is the largest single shipbuilding contract in the service's history.the company builds the submarine along with huntington ingalls industries newport news shipbuilding.the boats of block iv virginias will cost less than block iii, as electric boat reduced the cost of the submarines by increasing efficiency in the construction process.
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