That would be the Royal Navy's latest Astute Class submarine, the HMS Artful which was lowered into the water this weekend. It is one of seven nuclear submarines being built by BAE Systems.

Also visiting Gibraltar, on a routine, programmed visit. is HMS Artful An Astute-class fleet submarine. The Astute-class are 97 Metres long and are capable of circumnavigating the globe submerged ...

Anson is the fifth of the new Astute-class submarines to join the Royal Navy fleet, joining HMS Astute, Ambush, Artful and Audacious. The boat’s first Commanding Officer, Commander David Crosby ...