Hilliard joined No 235 Squadron in October 1942 flying Beaufighters. In 1943 he converted to Mosquitoes and joined No 618 Squadron and began practising low-level flying and attacks in preparation for a secret attack on Tirpitz, however plans were changed and part of the squadron was attached to No 248 Squadron in the Mediterranean. Equipped with 57mm cannon-armed Mosquitoes and assigned to anti-U-boat and shipping patrols. Hilliard sank one U-boat and three days later attacked and damaged Gunther Heinrich's U-960 (see U-Boat photographs No 4)
. The squadron later joined the BANFF wing which patrolled Norwegian waters.
Flight Lieutenant Aubrey Hilliard
Hand signed 5in x 7in photograph - numbered and certified on reverse.
Accompanied by matching biography card giving RAF career details.