High Quality Content by WIKIPEDIA articles! HMS P222 was an S class submarine of the Royal Navy, and part of the Third Group built of that class. She was built by Vickers Armstrong and launched on September 20, 1941. She was initially assigned to the naval base at Gibraltar to guard the entrance to the Mediterranean. On 27 July, 1942 P 222 intercepted the Vichy French merchant Mitidja off Cape Palos, Spain. The Mitidja was boarded by the V class destroyer HMS Wrestler and escorted to Gibraltar.