In September 1914, a single German U-boat ventured into the North Sea. Lieutenant Otto Weddigen’s U-9 slipped past patrols and found itself within range of a British cruiser squadron. What followed ...

The U.S. Navy has reached a Cold War-era milestone in the Arctic, deploying two Virginia-class submarines beneath the polar ice cap for the 100th time since World War II.

U.S. Marines and soldiers rehearsed inserting mobile missile launchers capable of long-range precision strike and ...

A Coast Guard cutter that made headlines chasing down an oil tanker wanted for violating U.S. sanctions is back stateside, according to the service.

The tanker Dixie Arrow was among the ships targeted by German U-boats off North Carolina in WWII. It was hit by a U-boat ...

The U.S. Navy is racing to build a fleet of large unmanned surface vessels designed to carry missiles, sensors, and modular ...