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On This Day - July 21

1916 Swordfish / S1 (ICA 30) Completed
1919 Pactolus 1886 - 1912 Paid off
1936 Rorqual (N 74) Launched
1940 Rorqual (N 74) HMS Rorqual hit the Italian merchant Securitas with a dud torpedo off Tulmaythah, Libya. Rorqual also lays a minefield on this day.
1943 Sickle (P 224) HMS Sickle torpedoes and damages the Italian merchant Oriani 8 miles west-north-west of Elba.
1944 Sirdar (P 226) HMS Sirdar sinks two Japanese coasters with gunfire off the west coast of Siam.
1944 Ultor (P 53) HMS Ultor torpedoes and sinks the German auxiliary submarine chaser UJ 2211/Hardy 6 nautical miles west of Genua, Italy.
1944 Vivid (P 77) HMS Vivid sinks a sailing vessel with gunfire off Monemvassia, Greece.
1959 Finwhale (S 05) Launched

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Poseidon (N 99)

Class: 1927 - 1946: Parthian Class
Built By: Vickers (Barrow)
Build Group: P
Fate:
Lost after a collision with SS Yuta off Wei-Hai-Wei in the Gulf of Korea 9th June 1931.
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Fatal Ascent
The story of how HMS Seal's crew miraculously escaped death in their flooded submarine but are forced to surrender to the Germans and endure five years as prisoners of war while bombs rain on Germany.
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