From 30 March 1943 the squadron based at RAF Docking, from 10 June 1943 at RAF Davidstow Moor (equipped with radar-fitted Wellington Mk XIII), from 20 December 1943 at RAF Predannack, from 19 March 1944 at RAF Chivenor. On 4 January 1944 a Wellington strafed and damaged German submarine U-629. On 18 June 1944 the squadron was credited with sinking a U-boat, but its identity is unknown. It was quoted to be U-441, but it has been negated afterwards, and possible victims remain U-988 or U-1191. From 19 September 1944 it was based at RAF Benbecula, from 5 March 1945 at RAF St Eval. On 2 April 1945 one Wellington sunk German submarine U-321 with depth charges.