De Havilland Mosquito
Crew joined No. 85 Squadron RAF as a flight commander, the squadron operated the radar-equipped twin-engined De Havilland Mosquito. As the number of victories increased Crew was appointed commanding officer of No. 96 Squadron RAF at first with Beaufighters but these were later exchanged for Mosquitos. Between June and September 1944 the squadron had downed 181 V-1 flying bombs and Crew was awarded the Distinguished Service Order for his leadership.