July 27th - On This Date - RN Submarine Service

1903	A1	Submarine HMS A1 completed
1942	Sea Nymph	Submarine HMS Sea Nymph launched
1942	Dolfijn	Submarine HMS Dolfijn launched
1945	Talent	Submarine HMS Talent completed
1945	Tasman	Submarine HMS Tasman completed
1945	Sentinel	Submarine HMS Sentinel launched
1941	HMS Tetrarch	HMS Tetrarch sinks the Italian sailing vessel Nicita with gunfire 5 nautical miles south of Kos, Greece.
1942	HMS P222	P222 intercepted the Vichy French merchant Mitidja off Cape Palos, Spain. The ship was boarded and escorted to Gibraltar by HMS Wrestler.
1943	HMS Usurper	HMS Usurper sinks the French Chateau Yquem
1943	HMS Unseen	HMS Unseen torpedoes and sinks the Italian merchant Rastello 48 nautical miles bearing 338 of Brindisi, Italy.
1943	HMS Untiring	HMS Untiring sinks the Norwegian fisihing vessel Havbis II with gunfire about 55 nautical miles west of the Norwagian coast.
1944	HMS Sunfish	Lost while serving as Russian sub V-1 Soviet submarine V-1 was bombed in error by a RAF Coastal Command Liberator off Norway, during passage from Dundee to Murmansk. V-1 was not in her assigned area and she was diving when the aircraft came in sight instead of staying on the surface and firing recognition signals as instructed. All crew including the British liaison staff were lost.
1944	HMS Ultimatum	HMS Ultimatum fires four torpedoes against a group of small German vessels. The German barge F 811 is hit and sunk off the coast of southern France.
1944	HMS Vigorous	HMS Vigorous sinks the Greek sailing vessel Doxa with gunfire 18 miles south of Milos Island, Greece.
1945	HMS Sea Dog	HMS Seadog sinks a Japanese sailing vessel with gunfire in the Strait of Malacca.
1945	HMS Stubborn	HMS Stubborn sinks a small Japanese vessel with gunfire in the eastern part of the Java Sea.
1945	HMS Thrasher	HMS Thrasher sinks four Japanese coasters and a Japanese sailing vessel with gunfire in the northern part of the Strait of Malacca.

SAB