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.

HMS Agincourt has been renamed Achilles amid reports the defence ministry did not want to offend France.

She will join HMS Astute, HMS Ambush, HMS Artful and HMS Audacious” said Secretary of State for Defence Dr. Liam Fox. The Astute Class submarines, which will progressively replace the Swiftsure ...

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 ...

A 'CUTTING edge' UK nuclear submarine has docked in Gibraltar. The HMS Anson arrived to the British territory's naval base on ...

All of the Navy's Astute Class submarines bear a name beginning with the letter A: HMS Astute, Ambush, Artful, Audacious and Anson are all in active service. Alongside HMS Achilles, HMS Agamemnon ...

HMS Artful, HMS Audacious and HMS Anson are all currently in service and operating from HM Naval Base Clyde. A further two boats are under construction at BAE Systems in Barrow-in-Furness.