How Spencer Became the Coast Guard’s Top U-Boat Killer, Thank You Royal Navy

US Coast Guard crew of cutter Spencer watched as a depth charge exploded near U-175, North Atlantic, 500 nautical miles WSW of Ireland, 17 Apr 1943. Photo by Jack January

Wanted to pass along a bit of Coast Guard history I found on Uboat.net. Below is their list of “Notable Events involving Spencer.”

It really looks like Spencer got a lot of her ASW training from the British Royal Navy, operating in company with British, Canadian, and USN escorts, against small World War I vintage British H class submarines.


23 Mar 1942
HMS H 50 (Lt. H.B. Turner, RN) conducted A/S exercises off Lough Foyle with USCGC Spencer and USS Gleaves. (1)

26 Aug 1942
HMS H 32 (Lt. J.R. Drummond, RN) conducted A/S exercises off Lough Foyle with HMS Yestor (Lt. R.C. Holt, RNVR), HMS Beverley (Lt. R.A. Price, RN), USS BabbittUSS SpencerHMCS Collingwood (T/A/Lt.Cdr. W. Woods, RCNR) and HMCS Trillium (T/Lt. P.C. Evans, RCNR). (2)

22 Dec 1942
HMS H 34 (Lt. G.M. Noll, RN) conducted A/S exercises off Lough Foyle with HMS Fowey (Cdr.(Retd.) L.B.A. Majendie, RN), HMS Carnation (Lt. A. Branson, RNR), HMS Black Swan (Cdr. T.A.C. Pakenham, RN), HMS Tango (T/Lt. J. Hunter, RNR), USS SpencerUSS Badger and HMCS Trillium (T/Lt. P.C. Evans, RCNR). (3)

23 Dec 1942
HMS H 34 (Lt. G.M. Noll, RN) conducted A/S exercises off Lough Foyle with USS SpencerHMCS Dauphin (T/Lt. R.A.S. MacNeil, RCNR) and HMS Tango (T/Lt. J. Hunter, RNR) plus ships from the 37th Escort Group. (3)

9 Feb 1943
HMS H 33 (Lt. M.H. Jupp, DSC, RN) conducted A/S exercises off Lough Foyle with HMS Poppy (Lt. N.K. Boyd, RNR), HMS Dianella (T/Lt. J.F. Tognola, RNR) and USS Spencer. (4)

10 Feb 1943
HMS H 28 (Lt. K.H. Martin, RN) conducted A/S exercises off Lough Foyle with USS Spencer. (5)

10 Feb 1943
HMS H 44 (Lt. I.S. McIntosh, RN) conducted A/S exercises off Lough Foyle with HMCS Dauphin (T/Lt. M.H. Wallace, RCNR), HMCS Trillium (T/Lt. P.C. Evans, RCNR), HMS Ness (Lt.Cdr. T.G.P. Crick, DSC, RN), HMS Philante (Capt. A.J. Baker-Cresswell, DSO, RN), HMS Folkestone (Cdr.(Retd.) J.G.C. Gibson, OBE, RN), USS SpencerUSS Campbell and HMCS Rosthern (T/Lt. R.J.G. Johnson, RCNVR). (6)

8 Mar 1943
German U-boat U-633 was sunk in the North Atlantic south-west of Iceland, in position 58.21N, 31.00W, by depth charges from the US Coast Guard cutter USCGC Spencer.

23 Mar 1943
HMS H 28 (Lt. K.H. Martin, RN) conducted A/S exercises off Lough Foyle with HMS Mallow (T/A/Lt.Cdr. H.T.S. Clouston, RNVR), HMS Myosotis (T/Lt. R. Lugg, RNR), HMS La Malouine (T/Lt. V.D.H. Bidwell, RNR), HMS Dianthus (T/A/Lt.Cdr. N.F. Israel, RNR) and USS Spencer. (7)

17 Apr 1943
German U-boat U-175 was sunk in the North Atlantic south-west of Ireland, in position 47.53N, 22.04W, by depth charges and gunfire from the US Coast Guard cutter USCGC Spencer.

2 thoughts on “How Spencer Became the Coast Guard’s Top U-Boat Killer, Thank You Royal Navy

  1. I checked the entries for the other 327s and Spencer had by far the largest number of training opportunities reported (8). The second largest number was Campbell, also a successful sub killer, with four training opportunities.

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