| 1918 | R 10 | Launched |
| 1920 | L 21 | Completed |
| 1937 | Tarpon (N 17) | Laid Down |
| 1938 | Unity (N 66) | Completed |
| 1940 | Tigris (N 63) | HMS Tigris attacks a submarine with torpedoes in the Bay of Biscay. This might have been the Italian submarine Otario. |
| 1940 | Regent (N 41) | HMS Regent rams and sinks the already grounded Italian sailing vessel Maria Grazia off Bari, Italy. |
| 1942 | Safari (P 211) | HMS Safari torpedoes and damages the Italian merchant Eneo south of Sebenik, Yugoslavia. ship is later salvaged but delared a total loss. |
| 1943 | Unruffled (P 46) | HMS Unruffled torpedoes and sinks the German merchant Pommern off Bastia. |
| 1944 | Untiring (P 59) | HMS Untiring sinks a sailing vessel with gunfire and also fires 4 torpedoes against the German merchant Burgas off the Kassandra peninsula, Greece. All torpedoes miss. |
| 1979 | Splendid (S 106) | Launched |
| 1985 | Tireless (S 88) | Completed |
| Class: | 1956 - 1988: Porpoise Class |
| Built By: | Cammell Laird (Mersey) |
| Build Group: | P2 |
| Fate: | |
| Sold to Oceanic UK Ltd of Blyth. she left Chatham under tow March 26th 1990 to be broken up. | |
By the 1990s the superpowers had created submarine fleets of radically different designs and capabilities.
Written in collaboration with the former Soviet submarine design bureaus, Norman Polmar and K J Moore authoritatively demonstrate in this landmark study how differing submarine missions, antisubmarine priorities, levels of technical competence, and approaches to submarine design organizations and management caused the divergence.
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Thankyou for your support.
| Class: | 1956 - 1988: Porpoise Class |
| Built By: | Cammell Laird (Mersey) |
| Build Group: | P2 |
| Fate: | |
| Sold to Oceanic UK Ltd of Blyth. she left Chatham under tow March 26th 1990 to be broken up. | |
By the 1990s the superpowers had created submarine fleets of radically different designs and capabilities.
Written in collaboration with the former Soviet submarine design bureaus, Norman Polmar and K J Moore authoritatively demonstrate in this landmark study how differing submarine missions, antisubmarine priorities, levels of technical competence, and approaches to submarine design organizations and management caused the divergence.
20 pages added or updated in the last 3 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.