The USS Becuna submarine sank 3,888 tons of shipping and earned four battle stars in World War II.

The submarine was specifically tasked with testing the launch and recovery of an unmanned underwater vehicle (UUV) while submerged. “This was something they thought we could go do. We went out ...

The bathysphere (1930) While many of the world's navies have long used highly developed submarines in military operations, scientists began their underwater exploration with more primitive vessels.

Divers recently discovered the wreck of a German submarine and the Royal Navy Q-ship that sank it in February 1917 ...

Despite intensive efforts to locate it, the submarine was not found. Theories about its disappearance are as varied as they are unsettling: from a collision with unknown underwater structures to ...