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 ...

NR-1 missions which have been declassified include an undersea submarine-detection operation and mapping the ocean floor. It was used in 1976 to recover an F-14 fighter which had rolled off the ...

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

A deep-sea training and engineering dive off the coast of San Diego provided an opportunity for never-before-seen imagery of ...

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 ...