A United States fast-attack submarine has joined the Pacific Fleet following refurbishment and modernization as the Pentagon faces growing naval challenges from its rival, China. U.S. Navy Rear ...

There are four key metrics that a submarine has: crew capacity, weaponry payload, deployment period (how long it can remain submerged), and of course, its speed. And while the first three measurements ...

Project Scylla testing in May 2025 demonstrated the launch and recovery of an Iver4 900 medium AUV from HMS Astute . (Royal Navy/Crown Copyright) A torpedo tube ...

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