In addition to strategic missions, the 452d supported ground forces and carried out interdictory operations. Helped prepare for the invasion of Normandy by hitting airfields, V-weapon sites, bridges, and other objectives in France. The group struck coastal defenses on D-Day, 6 June 1944. Bombed enemy positions in support of the breakthrough at Saint-Lô in July and the offensive against Brest in August and September 1944. Later in September, assisted the airborne attack on the Netherlands. Hit enemy communications in and near the combat zone during the Battle of the Bulge, December 1944 – January 1945. Bombed an airfield in support of the airborne assault across the Rhine in March 1945.