The Astute-class submarine isn’t designed for show—it’s designed for dominance. This video breaks down how Britain’s most advanced hunter-killer submarine operates, from stealth and sonar to weapons ...

With much fanfare, just before Christmas, President Trump unveiled a rendering of the USS Defiant, a new Trump-class battleship and the biggest warship the U.S. has constructed since WWII.

Plans to develop a new class of nuclear-powered submarine for Australia and the United Kingdom under the AUKUS pact are likely to collapse because of the shambolic state of the UK’s submarine service, ...

Move that leaves Britain without naval fighting presence in Gulf for first time since 1980 branded ‘terrible error’ Tom Cotterill is The Telegraph’s acting defence editor. He has previously written ...