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During the American Civil War both sides made use of submarines. Examples were the Alligator, for the Union, and the Hunley, for the Confederacy. The Hunley was the first submarine to successfully attack and sink an opposing warship. (see below) Wreck of Sub Marine Explorer in 2007
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 United States Navy operated several captured U-boats for publicity and testing purposes. Some were commissioned into the Navy.
Julius Hermann Kroehl (in German, Kröhl) (1820 – September 9, 1867) was a German American inventor and engineer. He invented and built the first submarine able to dive and resurface on its own, the Sub Marine Explorer, technically advanced for its era. His achievements in architecture, civil engineering, and mechanical engineering were also ...
The Turtle was built in 1775 and was made to attach explosive charges to the hulls of the ships. Several attempts were made against British Ships in American harbors in 1776, but none were successful. Other submersible projects date to the 19th century. Alligator was a US Navy submarine that was never commissioned.
USS Alligator, the fourth United States Navy ship of that name, is the first known U.S. Navy submarine, and was active during the American Civil War (the first American underwater vehicle was Turtle during the Revolutionary War, and was operated by the Continental Army, vice Navy, in 1776 against British vessels in New York harbor).
A submarine (or sub) is a watercraft capable of independent operation underwater. (It differs from a submersible, which has more limited underwater capability.) [2] The term “submarine” is also sometimes used historically or informally to refer to remotely operated vehicles and robots, or to medium-sized or smaller vessels (such as the midget submarine and the wet sub).
Prototype "fleet submarines"—submarines fast enough (21 knots (11 m/s)) to travel with battleships. Twice the size of any concurrent or past U.S. submarine. A poor tandem engine design caused the boats to be decommissioned by 1923 and scrapped in 1930.
These were the first submarines built directly by Electric Boat at their newly established shipyard along the Thames River in Connecticut. [17] They were discarded in 1960. In December 2020, the remains of R-8 were discovered off the coast of Ocean City, Maryland. [18] The vessel sank there in 1936, after being used for target practice by ...