| Navy | The Royal Navy |
| Type | Submarine |
| Class | S |
| Pennant | N 72 |
| Built by | Cammell Laird Shipyard (Birkenhead, U.K.) |
| Ordered | |
| Laid down | 16 May 1933 |
| Launched | 16 Mar 1934 |
| Commissioned | 21 Dec 1934 |
| End service | |
| Loss position | |
| History | Scuttled as Asdic target off Isle of Arran, Scotland on 3 March 1945. Commanding Officers: Lt. George Robson Colvin, RN ??? HMS Sealion in Dockyard Control ??? Lt. Douglas Lambert, DSC, RN ??? A/Lt.Cdr. Norman Jack Coe, RNR Lt.Peter Edward Newstead, DSC, RN Lt. Francis Elliott MacVie, DSC, RN HMS Sealion is not listed in the January 1945 Navy List |
Commands listed for HMS Sealion (N 72)
Please note that we're still working on this section.
| Commander | From | To | ||
| 1 | Lt.Cdr. Benjamin Bryant, RN | 3 Sep 1938 | 11 Oct 1941 | |
| 2 | Lt. George Robson Colvin, RN | 11 Oct 1941 | Apr 1942 ? | |
| 3 | Lt. Douglas Lambert, DSC, RN | Jul 1942 | ??? | |
| 4 | Lt. Norman Jack Coe, DSC, RNR | 15 Mar 1943 | 2 Mar 1944 | |
| 5 | Lt. Peter Edward Newstead, DSC, RN | 2 Mar 1944 | ??? | |
| 6 | Lt. Francis Elliott MacVie, DSC, RN | ??? | ??? | |
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Noteable events involving Sealion include:
6 Nov 1939
HMS Sealion (Lt.Cdr. B. Bryant, RN) fires 6 torpedoes against the German submarine U-21 off the Dogger Bank in position 55º10'N, 02º11'E. All torpedoes fired missed their target. (see map)
11 Apr 1940
HMS Sealion (Lt.Cdr. B. Bryant, RN) torpedoes and sinks the German merchant August Leonhard (2593 GRT) in the Skaggerak in position 56º29'N, 11º43'E. (see map)
6 May 1940
HMS Sealion (Lt.Cdr. B. Bryant, DSC, RN) attacks the German merchant Moltkefels (7862 GRT) with 3 torpedoes about 19 nautical miles south-west of Vaderob in position 58º30'N, 10º30'E. However the torpedoes miss their target. (see map)
3 Jul 1940
HMS Sealion (Cdr. B. Bryant, DSC, RN) fires 6 torpedoes against a German convoy off the Boknafjord, Norway. None of the torpedoes found it's target and Sealion was heavily depth charged following this failed attack.
8 Jul 1940
HMS Sealion (Cdr. B. Bryant, DSC, RN) fires a torpedo at the beached wreck of the German merchant Palime (2863 GRT) off Obrestadt. The Palime was beached after hitting a mine on 5 June 1940 that was laid by HMS Narwhal.
29 Jul 1940
HMS Sealion (Cdr. B. Bryant, DSC, RN) attacks the German submarine U-62 with torpedoes (that miss) and then with gunfire south-west of Stavanger, Norway in position 58º21'N, 04º24'E.
(see map)
4 Aug 1940
HMS Sealion (Cdr. B. Bryant, DSC, RN) torpedoes and sinks the Norwegian merchant Toran (3318 GRT, offsite link) off Homborsund, Norway in position 58º17'N, 08º38'E. (see map)
6 Aug 1940
HMS Sealion (Cdr. B. Bryant, DSC, RN) fires four torpedoes against the German merchant Cläre Hugo Stinnes (5295 GRT) off Kristiansand, Norway in position 57º51'N, 07º24'E. All torpedoes missed their target. (see map)
5 Feb 1941
HMS Sealion (Cdr. B. Bryant, DSC, RN) sinks the (German controlled) Norwegian Ryfylke (1151 GRT, offsite link) off Honningsvåg, Norway.
30 May 1941
HMS Sealion (Cdr. B. Bryant, DSC, RN) fires 6 torpedoes against the German submarine U-74 in the Bay of Biscay about 45 nautical miles south-west of Belle-Ile Island, France in position 46º58'N, 04º12'W. All six torpedoes missed their target. (see map)
7 Jul 1941
HMS Sealion (Cdr. B. Bryant, DSC, RN) sinks the French fishing vessels Gustav Eugene (120 GRT) and Gustav Jeanne (39 GRT) with gunfire off Ushant.
8 Jul 1941
HMS Sealion (Cdr. B. Bryant, DSC, RN) sinks the French fishing vessel Christus Regnat (28 GRT) with gunfire off Ushant.
9 Jul 1941
HMS Sealion (Cdr. B. Bryant, DSC, RN) sinks the French fishing vessel St Pierre d'Alcantara (329 GRT) with gunfire off Ushant.
18 Nov 1941
HMS Sealion (Lt. G.R. Colvin, RN) sinks the Norwegian tanker Vesco (331 GRT, offsite link) off the Laksefjord, Norway in position 70º57'N, 26º50'E. (see map)
5 Dec 1941
HMS Sealion (Lt. G.R. Colvin, RN) torpedoes and sinks the Norwegian merchant Island (638 GRT, offsite link) north of Mehavn, Norway in position 71º07'N, 27º54'E. (see map)