In April 1943, the unit was involved in its first combat mission in North Africa. In June 1944, the 84th supported the Allied landings at Normandy and directly contributed to the breakthrough at Saint-Lô in July 1944. In September 1944, the squadron contributed to the Allied victory in the Arnhem-Nijmegen airborne landings; notably, they suppressed numerous ground positions during the airborne assault and were credited with saving scores of American and British troop transports. For this action the 84th received the Distinguished Unit Citation.