The submarine USS New Jersey pulls into Naval Weapons Station Earle in Middletown, N.J., on Sept. 6 in preparation for its commissioning ceremony. The U.S. Navy made history on Saturday by commissioning its first coed submarine, the USS New Jersey, marking ...

Ukraine's internal security agency said the attack damaged and disabled a Russian Kilo-class submarine in the port city of Novorossiysk.

Ukraine's "Sub Sea Baby" drones strike a Russian submarine in a historic underwater attack at Novorossiysk port.

As it tried to demonstrate its continuing ability to fight, Ukraine said it had used drones to inflict serious damage on a Russian Kilo-class submarine at a Black Sea port.

Ukrainian underwater drones struck and disabled a Russian Kilo-class attack submarine in the Russian navy's most important remaining Black Sea base, in the first operation of its kind, Ukrainian officials said on Monday.