With an eye toward protecting sensitive assets that lie on the ocean floor ... can easily maneuver around the sea floor. The submarine will cost roughly $5.1 billion. A standard Virginia-class ...

Scientists have discovered the wreck of the American submarine USS F-1, which sank in 1917. It is located off the coast of ...

Researchers have found and imaged a submarine that sunk in 1917 during training exercises in the Pacific Ocean.

The World War I-era USS F-1 submarine wreck, lost in 1917, was explored by researchers using advanced technology, capturing new images and its honoring fallen sailors.

The newest frontier for potential combat is the ocean floor, and the U.S. and its ... that means building its most expensive spy submarine ever, a $5.1 billion high-tech vessel that would patrol ...

In August 1936, somewhere off the coast, the American military tested aerial bombardment on R-8, a Navy submarine that had ... R-8 sitting upright on the ocean floor. “The sonar data leaves ...

(SOUNDBITE OF ARCHIVED RECORDING) UNIDENTIFIED PERSON #1: This is ... like a submarine with legs like a dinner table on it so it can be propped up on the ocean floor. (SOUNDBITE OF ARCHIVED ...