Constituted as 448th Bombardment Group (Heavy) on 6 Apr 1943. Activated on 1 May 1943. Prepared for duty overseas with B-24's. Moved to England, Nov-Dec 1943, and assigned to Eighth AF. Entered combat on 22 Dec 1943, and until Apr 1945 served primarily as a strategic bombardment organization, hitting such targets as aircraft factories in Gotha, ball-bearing plants in Berlin, an airfield at Hanau, U-boat facilities at Kiel, a chemical plant at Ludwigshafen, synthetic oil refineries at Politz, aircraft engine plants at Rostock, marshalling yards at Cologne, and a buzz-bomb assembly plant at Fallersleben. Took part in the intensive campaign of heavy bombers against the German aircraft industry during Big Week, 20-25 Feb 1944. In addition to strategic operations, flew interdictory and support missions. Bombed V-weapon sites, airfields, and transportation facilities prior to the Normandy invasion in Jun 1944, and on D-Day attacked coastal defenses and choke points. Struck enemy positions to assist the Allied offensive at Caen and the breakthrough at St Lo in Jul. Dropped supplies to airborne troops near Nijmegen during the airborne attack on Holland in Sep. Bombed transportation and communications centers in the combat zone during the Battle of the Bulge, Dec 1944-Jan 1945. Dropped supplies to troops at Wesel during the airborne assault across the Rhine in Mar 1945. Flew last combat mission on 25 Apr, attacking a marshalling yard at Salzburg. Returned to the US in Jul 1945. Redesignated 448th Bombardment Group (Very Heavy) in Aug 1945. Equipped with B-19's. Assigned to Strategic Air Command on 21 Mar 1946. Inactivated on 4 Aug 1946.
Allotted to the reserve. Activated on 19 Apr 1947. Redesignated 448th Bombardment Group (Light) in Jun 1949. Ordered to active duty on 17 Mar 1951. Inactivated on 21 Mar 1951.
Redesignated 448th Fighter-Bomber Group. Allotted to the reserve. Activated on 18 May 1955.
711th: 1949-1951; 1955-.
712th: 1943-1946; 1947-1951.
713th: 1943-1946; 1947-1951; 1955-.
714th: 1943-1946; 1947-1951.
Gowen Field, Idaho, 1 May 1943
Wendover Field, Utah, c. 3 Jul 1943
Sioux City AAB, Iowa, c. Sep-Nov 1943
Seething, England, c. 1 Dec 1943-c. Jul 1945
Sioux Falls AAFld, SD, c. 15 Jul 1945
McCook AAFld, Neb, c. 8 Sep 1945
Ft Worth AAFld, Tex, c. Dec 1945-4 Aug 1946.
Long Beach Mun Aprt, Calif, 19 Apr 1947-21 Mar 1951.
Dallas NAS, Tex, 18 May 1955-.
Col James M Thompson, c. 25 May 1943
Col Gerry L Mason, 3 Apr 1944
Col Charles B Westover, 14 Nov 1944
Lt Col Lester F Miller, 27 May 1945-unkn
Col John G Ericksen, Sep 1945-4 Aug 1946.
American Theater; Air Offensive, Europe; Normandy; Northern France; Rhineland; Ardennes-Alsace; Central Europe.