HMS Truculent (P315) the desirability of presenting it so soon after this grievous disaster. The Producers have decided to offer the film in the spirit in which it was made, as a tribute to the officers and men of H.M. Submarines, and to the Royal Navy of which they form a part. HMS Truculent (P315) HMS "Truculent" was a British submarine of the third group of the "T" class. She was built as "P315" by Vickers Armstrong, Barrow, and launched on 12 September 1942. "Truculent" was lost following a post-war accident with a Swedish oil tanker in the Thames Estuary in January 1950.
Submarine warfare in the Black Sea campaigns (1941) sunk with gunfire by Soviet submarine Shch-214 close Cape Igneada. After this day, the Soviet submarine M-34 was lost on unclear date near Costanza. On 5 November, the Italian tanker "Torcello" was torpedoed and sunk by Soviet submarine Shch-214 close Cape Igneada. On the same day, Romanian submarine Delfinul claimed the torpedoing and sinking of the Soviet tanker "Uralles" (1975 GRT) off Yalta, the only known successful torpedo attack from a Romanian submarine during the war. However the tanker was possibly sunk by the Luftwaffe on 29 October while other sources report it was probably attacked by the minelayer Ostrovsky