China's been steadily upgrading its submarine fleet and weapons to detect those of the US should the two nations go to war.

In 2015, a small French submarine called the Saphir snuck past the defenses of the USS Theodore Roosevelt aircraft carrier ...

Russia’s Lada-class submarine program, intended to replace the aging Kilo-class with a modern conventional boat, has been a ...

The U.S. has provided the P-3 Orion and the P-8 Poseidon aircraft—both designed for anti-submarine warfare—to its allies and ...

In a naval exercise, a modest $100M Swedish submarine stunned the U.S. Navy by “sinking” a $6B supercarrier — a result that ...

Explosive underwater drones can help win the war for Ukraine and stop Vladimir Putin in his tracks, one of America’s ...

The Marines and Navy are training to combat enemy submarines with sonobuoys. This isn't a normal mission for Marines.

Nuclear-powered submarines use some of the most advanced military technology in the world. These are the ones that are a cut ...

A triad of SSGs, SSKs, and SSNs would comprise a forbidding implement of access denial for the US Navy in the Indo-Pacific.

By conventional submarine standards, Excalibur seems a tad small. In fact, it's about the size of the Navy's X-Craft midget submarines used during the Second World War, with a length of 39 ft (12 m), ...

The US government may be reconsidering Taiwan's request for Sikorsky MH-60R anti-submarine warfare helicopters, although ...

The sixth vessel in the Indian Navy’s series of eight Anti-Submarine Warfare Shallow Water Crafts (ASW SWC), BY 528 (Magdala) ...