Russia has maintained—and increased—its submarine operations across the world’s oceans, including the northern Atlantic and the Arctic, which have raised concerns for the U.S. and its NATO allies, as well as in the Pacific, where it recently disclosed missions conducted by nuclear-powered submarines to signal its military capabilities.

THIS is the moment the US blasted a drug-smuggling submarine off the coast of Venezuela, wiping out two “narcoterrorists”. Trump celebrated the operation online and said it was a

In a dramatic escalation of its Caribbean anti-drug operations, the United States intercepted a semi-submersible submarine suspected of carrying narcotics, resulting in two deaths and the capture of two individuals.

Inside the effort to deliver a ‘transformational improvement’ in how the US builds submarines, vital to preserving its undersea advantage.

In a massive 1999 naval exercise, the Dutch diesel-electric submarine HNLMS Walrus, playing the role of an adversary, achieved a stunning simulated victory against a U.S. aircraft carrier strike group.

A quiet Swedish submarine embarrassed the U.S. Navy's most formidable ship - and revealed why old-school diesel power still has a place in modern warfare.