| Navy | The Royal Navy |
| Type | Submarine |
| Class | T |
| Pennant | N 15 |
| Built by | Vickers Armstrong (Barrow-in-Furness, U.K.) |
| Ordered | |
| Laid down | 28 Aug 1936 |
| Launched | 5 Oct 1937 |
| Commissioned | 9 Nov 1938 |
| Lost | 18 Dec 1940 |
| Loss position | |
| History | HMS Triton (Lt. Guy Claud Ian St Barbe Slade Watkins, RN) left Malta on 28 November 1940 for a patrol in the southern Adriatic. Most likely sunk in the Otranto Strait on or around 18 December 1940. Commanding officers: Lt.Cdr. Edward Fowle Pizey, RN Lt. Guy Claud Ian St Barbe Slade Watkins, RN |
Commands listed for HMS Triton (N 15)
Please note that we're still working on this section.
| Commander | From | To | |
| 1 | Lt.Cdr. Hugh Patrick de Crery Steele, RN | 7 Jun 1938 | 24 Nov 1939 |
| 2 | Lt.Cdr. Edward Fowle Pizey, RN | 24 Nov 1939 | 18 Aug 1940 |
| 3 | Lt. Guy Claud Ian St Barbe Slade Watkins, RN | 18 Aug 1940 | 18 Dec 1940 |
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Noteable events involving Triton include:
10 Sep 1939
HMS Triton (Lt.Cdr. H.P. De C. Steele, RN) torpedoes and sinks (in error) the British submarine HMS Oxley (Lt.Cdr. H.G. Bowerman, RN) some 28 nautical miles south-south-west of Stavanger, Norway in position 58º30'N, 05º30'E. Triton picked up two survivors, one of these was Lt.Cdr. Bowerman. (see map)
28 Feb 1940
HMS Triton (Lt.Cdr. E.F. Pizey, RN) tries to intercept the German blockade breaker Wangoni (7848 GRT) of Kristiansand, Norway. The Wangoni however doesn't stop and manages to escape.
8 Apr 1940
HMS Triton (Lt.Cdr. E.F. Pizey, RN) fires 10 torpedoes against the German cruisers Blücher, Lützow and Emden off Skagen. All torpedoes fired missed their targets.
10 Apr 1940
While operating in the Kattegat HMS Triton (Lt.Cdr. E.F. Pizey, RN) torpedoes and sinks the German merchants Friedenau (5219 GRT) and Wigbert (3648 GRT) in position 57º27'N, 10º46'E and the auxiliary patrol vessel V 1507 / Rau 6 (356 GRT) in position 57º50'N, 11º22'E. (see map)
4 Oct 1940
HMS Triton (Lt. G.C.I.S.B. Watkins, RN) torpedoes and sinks the Italian merchant Franca Fassio (1858 GRT) about 16 nautical miles north of Cape Noli near Genoa.
8 Oct 1940
HMS Triton (Lt. G.C.I.S.B. Watkins, RN) attacks the Italian merchant Spezia (1825 GRT) with torpedoes off Vado Ligure, Savona, Italy. The target is not hit.
![]() Fatal Decisions Blandford, Edmund |
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