 Aircraft from the 381st participated in the intensive campaign of heavy bombers against enemy aircraft factories during Big Week, 20–25 February 1944, and the Group often supported ground troops and attacked targets of interdiction when not engaged in strategic bombardment.The Group supported the Normandy invasion in June 1944 by bombing bridges and airfields near the beachhead.Attacked enemy positions in advance of ground forces at Saint-Lô in July 1944.