The Delta-class IV submarines have quite a few unique distinctions under their belts. For better or for worse, none of them are due to success in combat or even events... Here’s What You Need to ...

K550 nuclear submarine, Borei Class. Photo: Wikimedia USS Georgia, Ohio Class. Photo: Wikimedia Delta IV Class nuclear ballistic missile submarine. Photo: Wikimedia Kursk Submarine, Oscar II Class.

One of the Northern Fleet’s Delta-IV class submarine sailing the surface of the Barents Sea. (Thomas Nilsen/The Independent Barents Observer) After more than six years of upgrades, the old ...

The Virginia-class USS Texas undertakes sea trials on Dec. 6 and will be joined by four new submarines as the U.S. Navy ...

Built at the same time as the Typhoon-class, the Delta-class submarines have formed the backbone of the Soviet and Russian strategic submarine fleet since first being introduced in 1973. Known ...