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The history of the submarine goes back to antiquity. Humanity has employed a variety of methods to travel underwater for exploration, recreation, research and significantly, warfare . While early attempts, such as those by Alexander the Great , were rudimentary, the advent of new propulsion systems, fuels, and sonar , propelled an increase in ...
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).
Each school year, the Mimi sailed from New England to the Gulf of Mexico and back, stopping at pre-arranged ports of call to meet with students in grades 4 through 7, and their teachers. At each port, "Mimifests" were held, which included various activities and presentations about marine life, seamanship, and navigation. [11]
The submarine had a length of 142 feet 3 inches (43.4 m) overall, a beam of 13 feet 7 inches (4.1 m) and a mean draft of 11 feet 6 inches (3.5 m). They displaced 287 long tons (292 t) on the surface and 316 long tons (321 t) submerged. The C-class submarines had a crew of two officers and fourteen ratings. [1]
Aluminaut (built in 1964) was the world's first aluminum submarine. An experimental vessel, the 80-ton, 15.5-metre (51 ft) crewed deep-ocean research submersible was built by Reynolds Metals Company, which was seeking to promote the utility of aluminum.
USS Holland (SS-1) was the United States Navy's first submarine, although not its first underwater watercraft, which was the 1775 submersible Turtle.The boat was originally laid down as Holland VI at the Crescent Shipyard of Elizabeth, New Jersey for John Philip Holland's Holland Torpedo Boat Company, and launched on 17 May 1897.
Like all post-H20 British H-class submarines, H23 had a displacement of 423 long tons (430 t) at the surface and 510 long tons (520 t) while submerged. [1]It had a total length of 171 feet (52 m), [2] a beam of 15 feet 4 inches (4.67 m), and a draught of 12 metres (39 ft). [3]
The submarine had a length of 235 feet (71.6 m) overall, a beam of 23 feet 6 inches (7.2 m) and a mean draft of 13 feet 2 inches (4.0 m). [1] They displaced 960 long tons (980 t) on the surface and 1,150 long tons (1,170 t) submerged. The L-class submarines had a crew of 44 officers and ratings. [2] They had a diving depth of 150 feet (45.7 m).
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