531st Bombardment Squadron

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531st Bombardment Squadron, Medium
531st Bombardment Squadron - Emblem.png
Emblem of the 531st Bombardment Squadron
Active 1942-1962
Country United States
Branch United States Air Force
Type Squadron
Role Bomber
Part of United States Air Force/Strategic Air Command
Garrison/HQ Plattsburgh Air Force Base
Engagements World War II
Korean war

It was last assigned to the 380th Bombardment Wing, based at Plattsburgh AFB, New York. It was inactivated on 1 January 1962.


Established in late 1942 as a B-24 Liberator heavy bomb squadron; trained under Second Air Force in Texas, and later in Colorado. Deployed to the Southwest Pacific Area (SPA) in April 1943, being assigned to Fifth Air Force in Australia.

From airfields in Australia, the squadron reached out to the Japanese installations in the Netherlands East Indies. Moved to the Philippines where the squadron operated in early 1945, then to Okinawa where combat operations ended after the Japanese Capitulation in August. After the war, squadron personnel were demobilized and returned to the United States, the B-24s sent to reclamation in the Philippines. Inactivated as a paper unit in early 1946.

In 1947, the squadron was reactivated as a reserve unit of the Strategic Air Command at MacDill Field, Florida. The squadron remained an inactive reserve unit until 1951 when the squadron was inactivated.

Activated as a B-29 Superfortress squadron in the reserves, 1947. Not manned or equipped, inactivated in 1949 due to budget reductions.

The squadron was activated in 1959 as a result of Strategic Air Command phasing out the B-47, and additional squadrons were activated as part of the consolation of Stratojet wings, and the replacement of the B-47 by B-52 Stratofortresses. In March 1961, President John F. Kennedy directed that the phaseout of the B-47 be accelerated. and the squadron was inactivated on 1 January 1962 as part of the drawdown of the USAF B-47 force, with the aircraft were sent to AMARC storage at Davis-Monthan.


  • Constituted 531st Bombardment Squadron (Heavy) on 28 October 1942
Activated on 3 November 1942
Inactivated on 20 February 1946
  • Redesignated 531st Bombardment Squadron (Very Heavy) on 13 May 1947
Activated in the reserve on 29 May 1947
Redesignated 531st Bombardment Squadron (Medium) on 26 June 1949
Ordered to active service on 1 May 1951
Inactivated on 16 May 1951
  • Activated on 1 May 1959
Discontinued, and inactivated, on 1 January 1962.


Attached to: Royal Australian Air Force, 28 April 1943 - 1 March 1945



Operational history[edit]

Combat in Southwest and Western Pacific, c. 21 May 1943 – 24 July 1945. Reserve B-29 squadron, activated during Korean War. Aircraft and personnel reassigned to other active duty squadrons then squadron inactivated w/o/p/e. SAC Medium bomber (B-47) squadron (1959–1962).

See also[edit]


 This article incorporates public domain material from websites or documents of the Air Force Historical Research Agency.

External links[edit]