Teams are one of the best-known special operations organizations in the world. Still, within that small community lies a smaller group trained in niche old-school commando-style missions performed ...

Why have just one technological breakthrough when you can have two at the same time? The Royal Navy has installed for the first time a quantum clock into its XV Excalibur robotic submarine for ...

BREMERTON, Wash. — The Navy officially has a new “backbone” of its submarine fleet that is bigger, faster, quieter, and has more endurance and firepower than the Vietnam War-era design it passed by in ...

America's dominance beneath the waves grows as its newest nuclear submarine completed its initial sea trials and prepares for ...

In 2015, a small French submarine called the Saphir snuck past the defenses of the USS Theodore Roosevelt aircraft carrier and "sunk" it in training.