Supriya Ghosh

378th Bombardment Group

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Active  1942-1942
Role  Antisubmarine warfare
Country  United States
378th Bombardment Group
Branch  United States Air Force
Part of  Army Air Forces Antisubmarine Command

The 378th Bombardment Group is an inactive United States Army Air Forces unit. Its last assignment was with the Army Air Forces Antisubmarine Command at Langley Field, Virginia, where it was stationed from October to December 1942. The group participated in the Antisubmarine Campaign along the Atlantic coast of the United States until it was inactivated when the Antisubmarine Command assigned all its squadrons directly to the command's two antisubmarine wings.



The group was activated at Langley Field, Virginia on 18 October 1942 with the 520th, 521st, and 523d Bombardment Squadrons assigned. Although designated a medium bombardment unit, it was equipped with Douglas O-46 and North American O-47 single-engine observation aircraft.

The group conducted its operations along the southeastern coast of the United States. Only the 523d Squadron was located with the group's headquarters at Langley. The 520th Squadron operated from Jacksonville Municipal Airport, Florida, while the 521st was stationed at Charleston Army Air Field, South Carolina.

In late November, Army Air Forces Antisubmarine Command began a series of organizational actions to more nearly align it with United States Navy headquarters engaged in the antisubmarine campaign. On 20 November, the 522d Bombardment Squadron at Lantana Airport, Florida was assigned to the group, At the same time, the group's 520th Squadron was attached directly to the new 25th Antisubmarine Wing, which had been established to manage Army Air Forces antisubmarine units in the area of the Navy's Eastern Sea Frontier. The group's squadrons were redesignated as antisubmarine squadrons, Finally, in December, after less than two months of operation, the group was inactivated and its component squadrons were reassigned to the 25th Antisubmarine Wing.


  • Constituted as the 378th Bombardment Group (Medium) on 13 October 1942
  • Activated on 18 December 1942 Inactivated on 14 December 1942


  • Army Air Forces Antisubmarine Command, 13 October - 14 December 1942
  • Squadrons

  • 520th Bombardment Squadron (later 15th Antisubmarine Squadron): 18 October - 14 December 1942 (attached to 25th Antisubmarine Wing after 20 November)
  • 521st Bombardment Squadron (later 16th Antisubmarine Squadron): 18 October - 14 December 1942
  • 522d Bombardment Squadron (later 17th Antisubmarine Squadron): 20 November - 14 December 1942
  • 523d Bombardment Squadron (later 2d Antisubmarine Squadron), 18 October - 14 December 1942
  • Stations

  • Langley Field, Virginia, 18 October - 14 December 1942
  • Aircraft

  • Douglas O-46
  • North American O-47
  • References

    378th Bombardment Group Wikipedia

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