| 1918 | R 11 | Launched |
| 1918 | L 12 | Launched |
| 1934 | Sealion (N 72) | Launched |
| 1942 | Unbeaten (N 93) | HMS Unbeaten fires four torpedoes against the Italian merchant Vettor Pisani off Cape Buzzano, Calabria, Italy. All torpedoes miss. |
| 1945 | Torbay (N 79) | HMS Torbay damages a Japanese coaster with gunfire of the west coast of Siam. |
| 1945 | Thrasher (N 37) | HMS Thrasher sinks a Japanese sailing vessel with gunfire of the west coast of Burma. |
| 1945 | Scorcher (P 258) | Completed |
| 1948 | Andrew (P 423) | Completed |
| 1955 | Ambush (P 418) | Joined the newly formed 6th Submarine Flotilla based at Halifax, Nova Scotia. |
| 1972 | Superb (S 109) | Laid Down |
Early in 1915 an experiment took place in the Firth of Forth of a C class boat being towed submerged by a powerful tug. The submarine was towed along at various depths, using a towing slip to enable her, at the opportune moment, to release herself and so make the attack. It was C27 which carried out these experiments which proved quite a success, she and C19 were sent to Aberdeen for actual operations.
When American submarine Swordfish is torpedoed the survivors are picked up by a passing German U-boat but an outbreak of meningitis threatens all aboard.
12 pages added or updated in the last 2 month
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Early in 1915 an experiment took place in the Firth of Forth of a C class boat being towed submerged by a powerful tug. The submarine was towed along at various depths, using a towing slip to enable her, at the opportune moment, to release herself and so make the attack. It was C27 which carried out these experiments which proved quite a success, she and C19 were sent to Aberdeen for actual operations.
When American submarine Swordfish is torpedoed the survivors are picked up by a passing German U-boat but an outbreak of meningitis threatens all aboard.
12 pages added or updated in the last 2 month
Please help to maintain this site by reporting any Errors, Broken Links, Information or Site Issues on this page using this button
If you find this site useful, please consider supporting my work with a small Donation.
Please Note: Donations made using this option go directly to the site owner and not to the Submariners Association.
Thankyou for your support.