The US Navy confirmed that the USS Oregon attack submarine had visited a Royal Navy base in Scotland, but did not say how long it had stayed there or where it was headed next.

The third warship named for the Alaskan capital city was sunk by a Japanese submarine in the Exercise Valiant Shield 2026 training exercise last month.

A Navy attack submarine reported to have sunk an Iranian frigate earlier this year recently received a prestigious ...

China has rapidly built up its submarine fleet by making a technological U-turn to produce boats the U.S. hasn’t built in more than 65 years. More than half of the estimated 66 submarines operated by ...