7 Feb, 1943
HMS Campanula (Lt.Cdr. B.A. Rogers, RD, RNR) and HMS Mignonette (Lt H.H. Brown, RNR) together pick up the 37 survivors from the British merchant Afrika that was torpedoed and sunk by the German submarine U-402 in the North Atlantic in position 55º16'N, 26º31'W.

HMS Mignonette also picks up 42 survivors from the American merchant the Robert E. Hopkins that was also torpedoed and sunk by the German submarine U-402 in the North Atlantic in position 55º13'N, 26º22'W.

15 Jul, 1943
The German submarine U-135 was sunk in the Atlantic, in position 28º20'N, 13º17'W, by the British sloop HMS Rochester (Cdr. H.V. King, OBE, RN) and the British corvettes HMS Mignonette (Lt. H.H. Brown, RNR) and HMS Balsam (Lt. J.E.L. Peters, RNVR) and an American Catalina aircraft (VP-92). (see map)

21 Jan, 1945
The German submarine U-1199 was sunk in the English Channel near the Scilly Isles, in position 49º57'N, 05º42'W, by depth charges from the British destroyer HMS Icarus (Lt.Cdr. D.D. Bone, RN) and the British corvette HMS Mignonette (Lt. H.H. Brown, DSC, RNR). (see map)