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863d Bombardment Squadron

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Active  1942-1945
Country  United States
863d Bombardment Squadron

Branch  United States Air Force
Role  Anti-Submarine;Bombardment

The 863d Bombardment Squadron is an inactive United States Air Force unit. Its last assignment was with the 493d Bombardment Group, based at Sioux Falls Army Air Field, South Dakota. It was inactivated on 28 August 1945.



Established as an I Bomber Command squadron in late 1942; later assigned to Army Air Forces Antisubmarine Command with a mission to conduct antisubmarine patrols over New England coastline using light observation aircraft. Later re-equipped with B-25 Mitchell medium bombers, October 1942-September 1943 when the antisubmarine mission was taken over by the United States Navy.

Re-equipped with B-24 Liberator heavy bombers and reassigned for training at Pueblo Army Air Base, Colorado. Squadron personnel formed the core of the newly established 493d Bombardment Group, moving to McCook Army Airfield, Nebraska where it completed training as part of the newly formed group.

Was deployed to the European Theater of Operations (ETO), being assigned to VIII Bomber Command in England. Assigned to RAF Debach until the end of the European War in May 1945, with a temporary move to RAF Wormingford in early 1945 while runways were being repaired at Debach.Used B-24's until they were replaced with B-17's in September 1944.

Engaged in long-range strategic bombardment of enemy targets in Nazi Germany and Occupied Europe. The squadron operated chiefly against industrial and military installations in Germany, attacking an ordnance depot at Magdeburg, marshalling yards at Cologne, synthetic oil plants at Merseburg, a railroad tunnel at Ahrweiler, bridges at Irlich, factories at Frankfurt, and other strategic objectives. Additional operations included striking airfields, bridges, and gun batteries prior to and during the invasion of Normandy in June 1944; hitting enemy positions to assist ground forces south of Caen and at St Lo in July 1944; bombing German fortifications to cover the airborne attack on the Netherlands in September 1944; attacking enemy communications during the Battle of the Bulge, December 1944-January 1945; and assisting the airborne assault across the Rhine in March 1945.

The squadron redeployed to the United States. in July and August 1945. Reassembled at Sioux Falls Army Air Field, South Dakota on August 12, however the Japanese Capitulation negated the need for the unit to train in B-29s and re-deploy to the Pacific Theater. The personnel were demobilized and the unit was inactivated there on August 28, 1945.


  • Constituted 518th Bombardment Squadron (Heavy) on 13 October 1942
  • Activated on 18 October 1942 Redesignated: 13th Antisubmarine Squadron (Heavy) on 29 November 1942 Redesignated: 863d Bombardment Squadron (Heavy) on 1 November 1943 Inactivated on 28 August 1945.


  • 377th Bombardment Group
  • Attached to: Army Air Forces Antisubmarine Command, 18 October 1942
  • 25th Antisubmarine Wing, 9 December 1942
  • Second Air Force, 22 September 1943
  • 493d Bombardment Group, 1 November 1943 – 28 August 1945.
  • Stations

  • Grenier Field, New Hampshire, 18 October 1942
  • Pueblo AAB, Colorado, 22 September 1943
  • McCook Army Airfield, Nebraska, 1 Nov 1943-1 Jan 1944
  • Elveden Hall, England, 1 Jan 1944
  • RAF Debach (AAF-152), England, 17 Apr 1944
  • RAF Wormingford (AAF-159), England, 17 Feb 1945
  • RAF Debach, England, 18 May-6 Aug 1945
  • Sioux Falls Army Air Field, South Dakota, c. 13-28 Aug 1945
  • Aircraft

  • North American O-47, 1942–1943
  • B-25 Mitchell, 1943
  • B-24 Liberator, 1943–1944
  • B-17 Flying Fortress, 1944–1945
  • C-47 Skytrain, 1944–1945
  • References

    863d Bombardment Squadron Wikipedia