1946 444th Bombardment Group, (B-29, 1944–1946) Reassigned from II Bomber Command (ZI) Redesignated Very Heavy BG, August 1944 XX BC; XXI BC; 58th Bombardment Wing Dudkhuadi, India, Kwanghan, China (XX BC); West Field, Tinian (XXI BC) Triangle N Tail Code 676th Bombardment Squadron 677th Bombardment Squadron 678th Bombardment Squadron 679th Bombardment Squadron (1943–1944) Inactivated in August 1946 462d Bombardment Group, (B-29, B-29A, 1943–1946) Activated, July 1943 Redesignated Very Heavy BG, November 1943 XX BC; XXI BC; 58th Bombardment Wing Piardpba, India, Kiunglai, China (XX BC); West Field, Tinian (XXI BC) Triangle U Tail Code 768th Bombardment Squadron 769th Bombardment Squadron 770th Bombardment Squadron 771st Bombardment Squadron (1943–1944) Inactivated in March 1946 468th Bombardment Group, (B-29, B-29A, 1943–1946) Activated, August 1943 Redesignated Very Heavy BG, November 1943 XX BC; XXI BC; 58th Bombardment Wing Kharagpur, India, Pengshan, China (XX BC); West Field, Tinian (XXI BC) Triangle I Tail Code 792d Bombardment Squadron 793d Bombardment Squadron 794th Bombardment Squadron 795th Bombardment Squadron (1943–1944) Inactivated in March 1946 497th Bombardment Group, (B-29, B-29A, 1943–1946) Activated, November 1943 XXI BC; 73rd Bombardment Wing A Square Tail Code; Isley Field, Saipan 869th Bombardment Squadron 870th Bombardment Squadron 871st Bombardment Squadron Inactivated in March 1946 498th Bombardment Group, (B-29, B-29A, 1943–1946) Activated, November 1943 XXI BC; 73rd Bombardment Wing T Square Tail Code; Isley Field, Saipan 873d Bombardment Squadron 874th Bombardment Squadron 875th Bombardment Squadron Inactivated in August 1946 499th Bombardment Group, (B-29, 1943–1946) Activated, November 1943 XXI BC; 73rd Bombardment Wing V Square Tail Code; Isley Field, Saipan 877th Bombardment Squadron 878th Bombardment Squadron 879th Bombardment Squadron Inactivated in February 1946 500th Bombardment Group, (B-29, B-29A, 1943–1946) Activated, November 1943 XXI BC; 73rd Bombardment Wing Z Square Tail Code; Isley Field, Saipan 881st Bombardment Squadron 882d Bombardment Squadron 883d Bombardment Squadron Inactivated in January 1946 501st Bombardment Group, (B-29B, 1944–1946) Activated, May 1944 XXI BC; 315th Bombardment Wing Diamond Y Tail Code; Northwest Field, Guam 21st Bombardment Squadron 41st Bombardment Squadron 485th Bombardment Squadron Inactivated in June 1946 502d Bombardment Group, (B-29B, 1944–1946) Activated, May 1944 XXI BC; 315th Bombardment Wing Diamond H Tail Code; Northwest Field, Guam 402d Bombardment Squadron 411th Bombardment Squadron 430th Bombardment Squadron Inactivated in April 1946 504th Bombardment Group, (B-29, B-29A, 1944–1946) Activated, March 1944 XXI BC; 313th Bombardment Wing Circle E Tail Code; North Field, Tinian 398th Bombardment Squadron 421st Bombardment Squadron 680th Bombardment Squadron Inactivated in June 1946