World War II - USS Blenny SS-324 - 312 ft, 1,810 tons, 8 knots submerged
Everyone knows what a submarine is - a ship that can go underwater. Hardly needs any explanation. Unless you're in the US Navy. By the Navy definition, only their modern, nuclear-powered boats ( all submarines are called "boats" ) are true submarines, designed to operate beneath the surface almost indefinitely. Anything else is merely a "submersible", tied to the surface by the need for fuel and air. Whatever.
In Greek mythology, Persephone, the beautiful daughter of Zeus and Demeter, was abducted by Hades, the god of the underworld. Eventually, an agreement was reached wherein Persephone would spend part of the year with Hades in the underworld, and the rest with her parents in Olympus, resulting in the seasons: when she is away, her grieving mother, the earth goddess, ignores her duties and the earth becomes barren - winter.
Built:
1926, Germany
Specs:
( 468 x 63 ft ) 8426 gross tons, 37 crew
Sunk:
Monday May 25, 1942
torpedoed by U-593 - 9 casualties