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Pre–World War I Class name No. Laid down Last comm. Notes Alligator [1]: 1: 1861: 1862: First submarine in the U.S. Navy. Purpose was to protect wooden ships against ironclads.
U.S. Navy Los Angeles-class submarine, USS San Juan (SSN-751) The U.S. currently operates three classes of fast attack submarine: the Los Angeles, Seawolf, and Virginia classes. There are 34 Los Angeles-class submarines on active duty and 28 retired which makes it the most numerous nuclear-powered submarine class in the world.
The NR-1 Deep Submergence Craft was a non-commissioned nuclear submarine operated by the United States Navy. Turtle , an American submarine of the American Revolutionary War H. L. Hunley , a human-powered submarine of the American Civil War in the early 1860s, operated by the Confederate States Army .
The Ohio class of nuclear-powered submarines includes the United States Navy's 14 ballistic missile submarines (SSBNs) and its four cruise missile submarines (SSGNs). Each displacing 18,750 tons submerged, the Ohio -class boats are the largest submarines ever built for the U.S. Navy.
Balao-class submarine (decommissioned); built for United States Navy; USS Burrfish (SS-312) acquired 1961 and renamed as HMCS Grisle and served until 1969; return to USN and later scrapped. British H-class submarine (decommissioned); built in United States; acquired 1919 HMCS CH-14 and HMCS CH-15 and disposed 1927 and 1922 respectively
The United States L-class submarines were a class of 11 coastal defense submarines built 1914–1917, and were the most modern and capable submarines available to United States Navy when the country entered World War I. Despite being considered a successful design by the USN, war experience in European waters demonstrated that the boats lacked ...
While the US Navy had two older classes of submarines at that time (the O and R classes originally commissioned in 1918 and 1919), the S-class was the oldest class of submarine (possibly in the world) to be used in combat operations. During World War II, 37 S-boats were in service when the United States entered the war in December 1941.
USS Razorback (SS-394), a Balao-class submarine, was the only ship of the United States Navy to be named after the razorback, a species of whale (Balaenoptera physalus) found in the far southern reaches of the Pacific Ocean. She is arguably the longest-serving combat front-line submarine still existing in the world, having been commissioned by ...