
British Navy’s XV Excalibur XLUUV Enters Service to Spearhead Atlantic Bastion Strategy
The British Royal Navy has taken delivery of the massive XV Excalibur autonomous submarine. The 12-metre, 19-tonne XLUUV, key to the Atlantic Bastion strategy, was remotely controlled from 10,000 miles away and has tested a groundbreaking quantum navigation clock underwater.














