Air Force, December 1942-August 1943 Participated in August 1, 1943 Attack on Ploesti Oilfields, Romania 328th Bombardment Squadron 329th Bombardment Squadron 330th Bombardment Squadron 409th Bombardment Squadron Inactivated December 1945 389th Bombardment Group RAF Hethel, June 1943–May 1945 Deployed to Ninth Air Force, July–August 1943 Participated in August 1, 1943 Attack on Ploesti Oilfields, Romania 564th Bombardment Squadron 565th Bombardment Squadron 566th Bombardment Squadron 567th Bombardment Squadron Inactivated September 1945 392d Bombardment Group RAF Wendling, July 1943–June 1945 576th Bombardment Squadron 577th Bombardment Squadron 578th Bombardment Squadron 579th Bombardment Squadron Inactivated September 1945 445th Bombardment Group RAF Tibenham, November 1943-May 1945 700th Bombardment Squadron 701st Bombardment Squadron 702d Bombardment Squadron 703d Bombardment Squadron Inactivated September 1945 446th Bombardment Group RAF Bungay, November 1943-July 1945 704th Bombardment Squadron 705th Bombardment Squadron 706th Bombardment Squadron 707th Bombardment Squadron Inactivated August 1945 447th Bombardment Group RAF Attlebridge, March 1944-July 1945 708th Bombardment Squadron 709th Bombardment Squadron 710th Bombardment Squadron 711th Bombardment Squadron Converted to B-17s, Summer 1944 448th Bombardment Group RAF Seething, December 1943-July 1945 712th Bombardment Squadron 713th Bombardment Squadron 714th Bombardment Squadron 715th Bombardment Squadron Converted to B-29s 453d Bombardment Group RAF Old Buckenham, December 1943-May 1945 732d Bombardment Squadron 733d Bombardment Squadron 734th Bombardment Squadron 735th Bombardment Squadron Inactivated August 1945 458th Bombardment Group RAF Horsham St. Faith, January 1944-June 1945 752d Bombardment Squadron 753d Bombardment Squadron 754th Bombardment Squadron 755th Bombardment Squadron Converted to B-29s 466th Bombardment Group RAF Attlebridge, March 1944-July 1945 784th Bombardment Squadron 785th Bombardment Squadron 786th Bombardment Squadron 787th Bombardment Squadron Inactivated July 1945 467th Bombardment Group RAF Rackheath, March 1944-June 1945 788th Bombardment Squadron 789th Bombardment Squadron 790th Bombardment Squadron 791st Bombardment Squadron Converted to B-29s 482d Bombardment Group (Pathfinder) RAF Alconbury, August 1943-May 1945 Attached to: VIII Composite Command, February 1944-January 1945 Composite group with 2 squadrons of B-17s and one of B-24s Conducted Pathfinder missions using H2X radar 812th Bombardment Squadron (B-17) 813th Bombardment Squadron (B-17) 814th Bombardment Squadron (B-24) Inactivated September 1945 486th Bombardment Group RAF Sudbury, April–November 1944 832d Bombardment Squadron 833d Bombardment Squadron 834th Bombardment Squadron 835th Bombardment Squadron Converted to B-17s, August 1944 487th Bombardment Group RAF Lavenham, April 1944–February 1945 836th Bombardment Squadron 837th Bombardment Squadron 838th Bombardment Squadron 839th Bombardment Squadron Converted to B-17s, July 1944 489th Bombardment Group RAF Halesworth, May–November 1944 844th Bombardment Squadron 845th Bombardment Squadron 846th Bombardment Squadron 847th Bombardment Squadron Converted