Allied Warships

HMS Gladiolus (K 34)

Corvette of the Flower class

HMS Gladiolus shortly after being commissioned

NavyThe Royal Navy
PennantK 34 
Built bySmiths Dock Co., Ltd. (South Bank-on-Tees, U.K.) 
Ordered25 Jul 1939 
Laid down19 Oct 1939 
Launched24 Jan 1940 
Commissioned6 Apr 1940 
Lost17 Oct 1941 
Loss position57° 00'N, 25° 00'W

HMS Gladiolus (Lt.Cdr. Harry Marcus Crews Sanders, DSO, DSC, RD, RNR) was torpedoed and sunk (most likely) by the German submarine U-553 south of Iceland in position 57º00'N, 25º00'W while escorting convoy SC-48. There were no survivors. More details about her loss can be read in the following article: U-boat attacks on the convoy SC-48 and the mysterious loss of HMS GLADIOLUS during the night of 16/17 October 1941.


Hit by U-boat
Sunk on 17 Oct 1941 by U-553 (Thurmann).

U-boat AttackSee our U-boat attack entry for the HMS Gladiolus

Commands listed for HMS Gladiolus (K 34)

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1Lt.Cdr. Harry Marcus Crews Sanders, RNR16 Mar 194017 Oct 1941 (+)

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Notable events involving Gladiolus include:

30 Jun 1940
HMS Gladiolus (Lt.Cdr. H.M.C. Sanders, RNR) picks up 16 survivors from a lifeboat of the British merchant Llanarth that was torpedoed and sunk by German U-boat U-30 on 28 June about 220 nautical miles west by south of Ushant in position 47°30'N, 10°30'W.

1 Jul 1940
German U-boat U-26 was scuttled south-west of Ireland, in position 48°03'N, 11°30'W after being heavily damaged by depth charges from the British corvette HMS Gladiolus (Lt.Cdr. H.M.C. Sanders, RNR) and bombs from an Australian Sunderland aircraft (10 Sqn RAAF/H).

31 Jan 1941
HMS H 43 (Lt. I.L.M. McGeogh, RN) conducted A/S exercises off Lough Foyle with HMS Sabre (Lt. P.W. Gretton, DSC, RN), HMS Gladiolus (Lt.Cdr. H.M.C. Sanders, DSC, RNR) and HMS Wellard (Lt.Cdr. A. Johnson, RNVR). (1)

23 Apr 1941
HrMs O 10 (Lt. J.H. Geijs, RNN) participated in A/S exercises off Lough Foyle together with HMS Keppel (Cdr. A.M. Sheffield, RN), HMS Douglas (Cdr. W.E. Banks, DSC, RN), HMS Roxborough (Lt. V.A. Wight-Boycott, OBE, RN), HMS Gladiolus (Lt.Cdr. H.M.C. Sanders, DSC, RNR), HMS Veronica (Lt.Cdr. (retired) D.F. White, RNR), HMS St. Elstan (T/Lt. G. Butcher, RNVR) and HMS Vizalma (T/Lt. M.M. Firth, RNVR). (2)

27 Jun 1941
German U-boat U-556 was sunk in the North Atlantic south-west of Iceland, in position 60°24'N, 29°00'W, by depth charges from the British corvettes HMS Nasturtium (Lt.Cdr. R.C. Freaker, RNR), HMS Celandine (Lt.Cdr. A. Harrison, RNR) and HMS Gladiolus (Lt.Cdr. H.M.C. Sanders, DSO, DSC, RNR).

Media links

U-Boat Attack Logs

Daniel Morgan and Bruce Taylor
($ 53.54)
(£ 45.00)
(EUR 43.81)


  1. ADM 173/16768
  2. File (Dutch Archives, The Hague, Netherlands)

ADM numbers indicate documents at the British National Archives at Kew, London.

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