The Philadelphia Experiment. It was October 1943. The day the US Navy mastered time travel, teleportation, and invisibility.

The Chinese Type 093B is classified by the U.S. military as a guided-missile nuclear-powered attack submarine.

From subs to seagliders to torpedoes electric-powered boats, RI companies are building a cleaner future on − and under − the ...

A U-boat is nothing more than the Anglicized term for a German submarine and isn't strikingly different from U.S. subs. The ...