The submarine and crew will complete further tests and trials before commissioning, which is expected in early 2026.

The UK’s newest Astute-class nuclear powered hunter killer submarine, HMS Agamemnon, has submerged for the first time at the BAE Systems yard at Barrow-in-Furness, conducting a ‘trim dive’ during a ...

South Korea launched the first of three new 3,600-ton submarines this week, marking another step in its efforts to strengthen its undersea fleet and counter threats from north of the border. The ROKS ...

The newest sub in service of the Royal Navy is part of the Astute class of fast attack submarines. Fast attack submarines, like the HMS Agamemnon, are designed to wreak havoc on enemy shipping during ...

JS Sogei, the sixth Taigei-class submarine, entered the water in a ceremony held at KHI’s shipyard in Kobe City, Japan, Oct. 14, 2025. Credit: Japan Acquisition, Technology & Logistics Agency Japan’s ...

The name Oklahoma is returning to naval service more than 80 years after the attack on Pearl Harbor. A new submarine, the USS Oklahoma, is currently under construction and is expected to be christened ...

The U.S. Navy’s newest stealth submarine isn’t just quieter, it’s smarter. The USS Massachusetts (SSN-798), part of the Virginia-class Block V line, completed trials this year and represents a major ...