 It bombed V-weapon sites, airfields, radar stations and other installations before the Normandy invasion in June 1944, bombed defended positions just ahead of the Allied landings on 6 June and struck airfields, rail choke points, and gun emplacements during the campaign that followed.During the Battle of France, the Group bombed enemy positions to assist ground troops at St Lo during the breakthrough, 24–25 July 1944, attacked German communications and fortifications during the Battle of the Bulge, December 1944 – January 1945, and bombed bridges and viaducts in France and Germany to aid the Allied assault across the Rhine, February–March 1945.The combat record of the 379th was the most successful of all the Eighth Air Force heavy bomber groups.