Helicopters and a warship were involved in the operation to monitor the RFN Novorossiysk submarine as it sailed west through ...

Royal Navy helicopters and a warship shadowed the surfaced Russian submarine as it sailed through the North Sea and English ...

The Colombian navy on Wednesday seized its first unmanned narco-submarine, equipped with a Starlink antenna, off the ...

A specialist Royal Navy submarine was scrambled to track its Russian counterpart, caught sailing west through British waters.

A guided-missile submarine launched 30 cruise missiles into Iran. The US is going to retire subs key to that capability.

The Colombian Navy has announced its first seizure of an unmanned narco-submarine equipped with a Starlink antenna off its ...

A Russian submarine sailing through the North Sea and English Channel has been shadowed by Royal Navy helicopters and a ...

The total contract could reach nearly $100 million if substantial progress is made on designing a vessel expected to exceed 600 feet in length.

The Arnala-class vessels can sprint for short bursts in order to maintain contact with any submarines they detect.

The USS F-1 was hit broadside by another sub during a training exercise and sank in seconds, killing 19 members of the crew.

A single U.S. Navy submarine launched over two dozen Tomahawk land attack cruise missiles into Iran, striking a nuclear ...