It comes after the new Syrian government terminates a 49-year lease on the base the Kremlin brokered with the Bashar al-Assad ...

deep water Soviet nuclear attack submarine. Diesel submarines in coastal, shallow water areas were largely disregarded as threats. To detect and track Soviet nuclear submarines in deep ocean ...

During the Cold War, American and Soviet scientists embarked on an unprecedented quest to contact extraterrestrials. But ...

Moscow is growing its footprint at the top of the world, working with China—and leaving the U.S. behind.

The nuclear-powered USS Alexandria is a 360-foot fast-attack submarine equipped with Tomahawk missiles and MK48 torpedoes.

Naval officials feared one of Russian President Vladimir Putin ... class attack subs and Vanguard-class ballistic missile submarines are among the UK’s most closely guarded military secrets.