Events

1940	Una (N87)	Laid Down
1942	Thorn (N11)	HMS Thorn fires four torpedoes against an Italian convoy in the central Mediterranean about 180 nautical miles north-west of Benghazi, Libya. All torpedoes missed their targets.
1943	Unrivalled (P45)	HMS Unrivalled sinks Italian sailing vessel Albina
1943	Solent (P262)	Laid Down
1944	Tantivy (P319)	HMS Tantivy sinks a Siamese sailing vessel with gunfire of the west coast of Siam.
1945	Supreme (P252)	HMS Supreme sinks two Japanese coasters and a Japanese sailing vessel with gunfire in the Gulf of Siam.
2014	Artful (S121)	Launched

Steam Submarines	Read
The gargantuan steam submarines were treated as a joke by the hardened veterans of the Submarine Service when they first appeared. But on the fateful afternoon of January 29th, 1917 the K boats suddenly developed a new and more sinister reputation. From that day onwards 'K' stood for Killer. And by apt coincidence the drama featured No 13.