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731st Bombardment Squadron
731st Bombardment Squadron - Emblem.png
Emblem of the 731st Bombardment Squadron
Active 1943-1951
Country United States
Branch United States Air Force
Type Bombardment

The 731st Bombardment Squadron is an inactive United States Air Force unit. Its last was assigned to the 452d Bombardment Group, stationed at Iwakuni Air Base, Japan. It was inactivated on 25 June 1951.


Established in mid-1943 as a B-17 Flying Fortress heavy bombardment squadron; assigned to II Bomber Command for training, primarily in the Pacific Northwest. Deployed to the European Theater of Operations (ETO) in January 1944, being assigned to Eighth Air Force in England. Engaged in strategic bombardment operations over Occupied Europe and Nazi Germany, becoming one of the most highly decorated squadron of the Air Offensive. Engaged in strategic bombardment operations until the German Capitulation in May 1945. Returned to the United States and prepared for B-29 transition training, however Japanese Capitulation in August led to unit's inactivation in November.

Reactivated in the reserves in 1947 as a B-26 Invader light bomber squadron, assigned to Long Beach AAF, California. Moved to George AFB in 1950 when Long Beach was closed. Wad deployed to Japan in August 1950 for combat duty during the Korean War, engaged in night bombardment missions over both North and South Korea. Inactivated in June 1951 with assets being reassigned to active-duty units.


  • Constituted 731st Bombardment Squadron (Heavy) on 14 May 1943
Activated on 1 Jun 1943
Inactivated on 28 Aug 1945
  • Redesignated 731st Bombardment Squadron (Very Heavy) on 13 May 1947
Activated in the reserve on 12 Jul 1947
Redesignated 731st Bombardment Squadron (Light) on 27 Jun 1949
Redesignated 731st bombardment Squadron (Light, Night Attack) on 1 Aug 1950
Ordered to active service on 10 Aug 1950
Inactivated on 25 Jun 1951


Attached to 3d Bombardment Group, Nov 1950-25 Jun 1951




 This article incorporates public domain material from the Air Force Historical Research Agency website

  • Maurer, Maurer (1983). Air Force Combat Units Of World War II. Maxwell AFB, AL: Office of Air Force History. ISBN 0-89201-092-4.

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