September 27th - On This Date - RN Submarine Service

1938                HMS Seal launched

1938                HMS Talisman laid down

1940                HMS Unique completed

1941                HMS Una completed

1941                HMS Tetrarch sinks the Greek sailing vessel Panagiotis Kramottos with gunfire south-west of Milos Island, Greece.

1941                HMS Upright torpedoed and sank the Italian torpedo boat Albatros 8 nautical miles north-west of Cape Rasocolmo near Milazzo, Sicily, Italy.

1942                HMS Umbra torpedoes and sinks the Italian merchant Francesco Barbaro some 50 nautical miles south-west of Cape Marathia, Zakynthos Island, Greece.

1943                HMS Uproar torpedoes and further damages the grounded German tanker Champagne off Bastia, Corsica, France.

1944                HMS Thorough sinks a small Japanese vessel north of Sumatra.

1944                HMS Vigorous torpedoes and sinks the German merchant Salomea and the German ferry SF 121 off Kassandra, Greece.

1962                HMS Onyx laid down

1965                HMCS Onondaga launched Chatham UK