497th Air Expeditionary Group

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497th Air Expeditionary Group Pacific Air Forces.png
Air Force personnel & equipment. The Pacific, England, Wash. DC. 1942-44 (mostly 1943) - NARA - 292576.jpg
Crew of 869th Bombardment Squadron B-29 42-24598 "Waddy's Wagon" reenacting the nose art on their aircraft (lost 9 January 1945)
Active 1943–1946; 1962–1964; After 2000
Country  United States
Branch  United States Air Force
Type Provisional Unit
Role Exercise Control
Motto PARATI STAMUS – 'We Stand Ready'
Engagements Pacific Theater of Operations
Decorations Distinguished Unit Citation
Air Force Outstanding Unit Award
497th Air Refueling Wing emblem (approved 7 February 1963)[1] 497th Air Refueling Wing.PNG
Twentieth Air Force Tail Marking Square A

The 497th Air Expeditionary Group is a provisional United States Air Force unit. It is assigned to Pacific Air Forces to activate or inactivate as needed.

The unit was first activated in the United States Army Air Forces as the 497th Bombardment Group which was part of Twentieth Air Force during World War II. The 497th engaged in very heavy (B-29 Superfortress) bombardment operations against Japan and earned two Distinguished Unit Citations for its combat actions. Its aircraft were identified by a "A" and a square painted on the tail.

The unit was again active as the 497th Air Refueling Wing, which was an element of Strategic Air Command. It absorbed the personnel equipment, and mission of the 4108th Air Refueling Wing at Plattsburgh AFB, New York in January 1963 and was inactivated in September 1964. In 1985 the two units were consolidated into a single unit. The unit was converted to provisional status and assigned to Pacific Air Forces which activated it to control exercises at Paya Lebar Airfield, Singapore various times between 2000 and 2006.


869th Bomb Squadron B-29 42-24592 "Dauntless Dolly" with Major Robert Morgan, pilot of the aircraft. The B-29 was named after his third wife, Dorothy Johnson Morgan.

World War II[edit]

Emblem used by the 497th Bombardment Group[2]

The unit was established in late 1943 as the 497th Bombardment Group at El Paso Army Air Base, Texas, a Boeing B-29 Superfortress very heavy bombardment group. The unit's original operational squadrons were the 869th,[3] 870th,[4] 871st,[5] and 872d Bombardment Squadrons.[6] It was also assigned four bombardment maintenance squadrons (one paired with each of its operational squadrons) and a photographic laboratory. The group's initial cadre was drawn from the 491st Bombardment Group.[7]

In December the group moved on paper to Clovis Army Air Field, New Mexico,[8] although its ground personnel moved to Pratt Army Air Field, Kansas, where they were attached to the 40th Bombardment Group to begin training. At Clovis, the group began to man its air echelon by January 1944. The 497th drew heavily on aircrews of the 480th Antisubmarine Group who were returning to the United States from duty in England and Africa to fill out its flying squadrons. Aircrew training at Clovis was limited to ground training, although some flying in Boeing B-17 Flying Fortress and Consolidated B-24 Liberator aircraft assigned to the 73d Bombardment Wing was accomplished. Key personnel trained with the Army Air Forces School of Applied Tactics at Orlando Army Air Base, Florida.[9]

In April 1944, the group air and ground echelons united at Pratt AAF. Here the 497th finally received newly manufactured Boeing B-29 Superfortresses the following month, although it continued to fly B-17s as well due to continuing engine problems with the B-29s.[10] In May the United States Army Air Forces reorganized its very heavy bombardment units. The 872d Bombardment Squadron and the bombardment maintenance squadrons were inactivated and their personnel absorbed into the remaining three squadrons.[6][11][12]

Crew of the 869th Bomb Squadron B-29 42-24592 "Little Gem"

The 497th deployed to Pacific Theater of Operations, with the ground echelon sailing 30 July on the SS Fairisle, passing through Honolulu and Eniwetok before arriving at Saipan on 20 September.[13] Upon arrival the group's personnel were engaged in construction. By mid-October most personnel were able to move into Quonset huts from the tents which they were assigned on arrival. The aircrews began departing Kansas on 6 October, ferrying their aircraft to Saipan via a 6500 nautical mile route, with the last B-29 arriving on 30 October. The headquarters and staff elements flew to Saipan aboard Air Transport Command Douglas C-54 Skymaster aircraft.[14] At Saipan the group became part of the XXI Bomber Command[15] at Isely Field.[citation needed]

869th Bomb Squadron B-29 42-24599 "Scrapper".

The group began operations on 28 October 1944 with a night attack against the submarine pens at Truk Islands and attacks against Iwo Jima in early November.[16] The group took part in the first attack on Japan by AAF planes based in the Marianas.[15] On 24 November 1944 Major Robert Morgan led the first mission of the XXI Bomber Command to bomb Japan, with wing commander Brigadier Gen. Emmett O'Donnell, Jr. as co-pilot. 110 aircraft of the 73rd Bombardment Wing bombed Tokyo on this mission. The group also suffered its first combat loss on this mission, when a B-29 of the 870th squadron was shot down over the target area. However, this was not the first flight by a 497th aircraft to Japan. Major Morgan and his crew had flown a solo mission on 10 November using radio countermeasures equipment to obtain information on the disposition of Japanese early warning and gun control radars.[17] During December four group aircraft were destroyed in Japanese bombing raids against Isely Field.[18] The 497th flew missions against strategic objectives in Japan, originally in daylight and from high altitude.[15] It was also tasked with "Weather Strike" missions which were single ship flights flown nightly to obtain weather information for target areas in Japan while also making incendiary attacks on various targets.[19]

The group received a Distinguished Unit Citation (DUC) for a mission on 27 January 1945. Although weather conditions prevented the group from bombing its primary objective, the unescorted B-29s withstood severe enemy attacks to strike an alternate target, the industrial area of Hamamatsu. It was awarded a second DUC for attacking strategic centers in Japan during July and August 1945. The group assisted the assault on Okinawa in April 1945 by bombing enemy airfields to cut down air attacks against the invasion force. Beginning on 19 March and continuing until the end of the war the group made incendiary raids against Japan, flying at night and at low altitude to bomb area targets.[15] The group released propaganda leaflets over the Japanese home islands,[20] continuing strategic bombing raids and incendiary attacks until the Japanese surrender in August 1945.[15]

After V-J Day, the 497th dropped supplies to Allied prisoners.[21] In November 1945 the unit returned to the United States[15] where it was initially assigned to Continental Air Forces's (CAF) Fourth Air Force at March Field, California. At March the 513th Bombardment Squadron, a former Fifteenth Air Force B-24 Liberator squadron joined the group. The 513th was undergoing B-29 very heavy bomber upgrade training. In January 1945, the 497th was reassigned to the CAF Third Air Force at MacDill Field, Florida. In March 1946 CAF became Strategic Air Command (SAC), and the group was one of SAC's first bombardment groups. Demobilization, however, was in full swing and the group turned in its aircraft and was inactivated on 31 March.[citation needed]

Cold War[edit]

In January 1961, SAC separated the two air refueling squadrons of the 380th Bombardment Wing at Plattsburgh AFB, New York into a separate wing, the 4108th Air Refueling Wing. In addition to the 26th and 380th Air Refueling Squadrons, flying Boeing KC-97 Stratotankers, the wing was assigned three maintenance squadrons.[22] It was assigned to the Eighth Air Force's 820th Air Division (later the 820th Strategic Aerospace Division).[23]

However, SAC Major Command controlled (MAJCON) could not carry a permanent history or lineage.[24] and SAC looked for a way to make its these wings permanent. In 1962, in order to perpetuate the lineage of many currently inactive bombardment units with illustrious World War II records, SAC received authority from USAF to discontinue its MAJCON wings that were equipped with combat aircraft and to activate Air Force controlled (AFCON) units, most of which were inactive at the time which could carry a lineage and history.[citation needed]

As a result the 4108th was replaced by the newly constituted 497th Air Refueling Wing,[1] which assumed its mission, personnel, and equipment on 1 January 1963.[25] The 26th and 380th Air Refueling Squadrons were reassigned to the 497th. Component support units were replaced by units with numerical designation of the newly established wing.[22]

The wing supported global air refueling missions of SAC and other USAF needs, as required, earning an Air Force Outstanding Unit Award for its performance of the mission. In June 1964 the 380th Air Refueling Squadron became non-operational[1] while it began to convert to newer Boeing KC-135 Stratotankers. The 497th was discontinued and inactivated on 15 September 1964. Its subordinate units were also inactivated with the exception of the 380th Air Refueling Squadron, which was reassigned to the 380th Bombardment Wing.[26]

Provisional Unit[edit]

In 1984 the 497th Bombardment Group and the 497th Air Refueling Wing were consolidated into a single unit,[27] but the consolidated unit remained inactive for the next sixteen years.[citation needed]

In 2000, the consolidated unit was converted to provisional status and assigned to Pacific Air Forces to activate or inactivate as needed. It was redesignated as the 497th Air Expeditionary Group. Between 2000 and 2006 the group was periodically activated for Commando Sling exercises, using the 497th Combat Training Squadron as its cadre, augmented by deployed personnel and equipment from Pacific Air Forces fighter squadrons.[citation needed]


497th Bombardment Group

  • Constituted as the 497th Bombardment Group, Very Heavy on 19 November 1943
Activated on 20 November 1943
Inactivated on 31 March 1946[15]
  • Consolidated on 31 January 1984 with the 497th Air Refueling Wing as the 497th Air Refueling Wing [27]

497th Air Refueling Wing

  • Constituted as the 497th Air Refueling Wing and activated on 15 November 1962 (not organized)
Organized on 1 January 1963
Discontinued and inactivated 15 September 1964[1]
  • Consolidated on 31 January 1984 with the 497th Bombardment Group [27] (remained inactive)
  • Converted to provisional status ca 2000, redesignated 497th Air Expeditionary Group and assigned to Pacific Air Forces (PACAF) to activate or inactivate as needed




Operational Squadrons

Maintenance Squadrons

  • 17th Bombardment Maintenance Squadron: 20 Nov 1943 – 10 May 1944[7]
  • 18th Bombardment Maintenance Squadron: 20 Nov 1943 – 10 May 1944[7]
  • 19th Bombardment Maintenance Squadron: 20 Nov 1943 – 10 May 1944[7][30]
  • 20th Bombardment Maintenance Squadron: 20 Nov 1943 – 10 May 1944[7][30]
  • 497th Armament and Electronics Maintenance Squadron: 1 January 1963 – 15 September 1964[12]
  • 497th Field Maintenance Squadron: 1 January 1963 – 15 September 1964[12]
  • 497th Organizational Maintenance Squadron: 1 January 1963 – 15 September 1964[12]


  • 15th Photographic Laboratory (Bombardment, Very Heavy): 20 Nov 1943 – 31 Mar 1946[7]



Awards and Campaigns[edit]

Award streamer Award Dates Notes
Streamer PUC Army.PNG Distinguished Unit Citation 27 January 1945 Japan, 497th Bombardment Group[15]
Streamer PUC Army.PNG Distinguished Unit Citation 26 July 1945 – 2 August 1945 Japan, 497th Bombardment Group[15]
AFOUA Streamer.JPG Air Force Outstanding Unit Award 1 January 1963 – 30 June 1963 497th Air Refueling Wing[1][31]

Manual campaign table

Campaign Streamer Campaign Dates Notes
Streamer APC.PNG Air Offensive, Japan 497th Bombardment Group[15]
Streamer APC.PNG Eastern Mandates 497th Bombardment Group[15]
Streamer APC.PNG Western Pacific 497th Bombardment Group[15]

See also[edit]



  1. ^ a b c d e f g h i Ravenstein, Charles A. (1984). Air Force Combat Wings, Lineage & Honors Histories 1947-1977. Washington, DC: Office of Air Force History. pp. 271–272. ISBN 0-912799-12-9. 
  2. ^ In Stewart, et al. Maurer, Combat Units does not show this was ever officially approved
  3. ^ Maurer, Maurer, ed. (1982) [1969]. Combat Squadrons of the Air Force, World War II (reprint ed.). Washington, DC: Office of Air Force History. pp. 790–791. ISBN 0-405-12194-6. LCCN 70605402. OCLC 72556. 
  4. ^ Maurer, Combat Squadrons, p. 791
  5. ^ Maurer, Combat Squadrons, pp. 791–792
  6. ^ a b Maurer, Combat Squadrons, p. 792
  7. ^ a b c d e f Stewart, Harry A.; Power, John E. (1947). Goforth, Pat E., ed. The Long Haul: The Story of the 497th Bomb Group (VH). Bangor Public Library World War Regimental Histories. San Angelo, TX: Newsfoto Publishing Co. p. 26. Retrieved August 18, 2013. 
  8. ^ One officer and three enlisted men moved to Clovis. Stewart et al., p. 26
  9. ^ Stewart et al., pp. 27–30
  10. ^ Stewart et al., pp. 38–40
  11. ^ Stewart et al., p. 33
  12. ^ a b c d See Mueller, Air Force Bases, p. 478
  13. ^ Stewart et al., pp. 46, 58
  14. ^ Stewart et al., p. 65
  15. ^ a b c d e f g h i j k l Maurer, Maurer, ed. (1983) [1961]. Air Force Combat Units of World War II (reprint ed.). Washington, DC: Office of Air Force History. p. 364. ISBN 0-912799-02-1. LCCN 61060979. 
  16. ^ Stewart et al., pp. 68, 77
  17. ^ Stewart et al., pp. 77–80
  18. ^ Stewart et al., p. 86
  19. ^ Stewart et al., p. 91
  20. ^ Stewart et al., p. 113
  21. ^ Stewart et al., pp. 132
  22. ^ a b See Mueller, Robert (1989). Air Force Bases, Vol. I, Active Air Force Bases Within the United States of America on 17 September 1982. Washington, DC: Office of Air Force History. p. 478. ISBN 0-912799-53-6. 
  23. ^ "Factsheet 820 Strategic Aerospace Division". Air Force Historical Research Agency. 10/11/2007. Archived from the original on October 30, 2012. Retrieved March 5, 2014. 
  24. ^ Ravenstein, Charles A. (1984). A Guide to Air Force Lineage and Honors (2d, Revised ed.). Maxwell AFB, AL: USAF Historical Research Center. p. 12. 
  25. ^ Although the 497th Wing was a new organization, it continued, through temporary bestowal, the history, and honors of the World War II 497th Bombardment Group. It was also entitled to retain the honors (but not the history or lineage) of the 4108th. This temporary bestowal ended in January 1984, when the wing and group were consolidated into a single unit.
  26. ^ Ravenstein, Combat Wings, p. 205
  27. ^ a b c Department of the Air Force/MPM Letter 539q, 31 January 1984, Subject: Consolidation of Units
  28. ^ As reported by PACAF in monthly Air Force Organizational Status Changer Reports, Historical Division, Air Force Historical Research Agency
  29. ^ See Mueller, p, 407
  30. ^ a b Mueller, p. 61
  31. ^ Also received by the 4108th Air Refueling Wing for the period 1 April 1961 to 31 December 1962. AF Pamphlet 900-2, Unit Decorations, Awards and Campaign Participation Credits Department of the Air Force, Washington, DC, 15 Jun 1971, p. 536


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

Further reading

  • Thomas, Captain Rowan T. (1983) [1944]. Born In Battle: Round The World Adventures Of The 513th Bombardment Squadron (Reprint ed.). Philadelphia, PA: Zenger Publishing Company. ISBN 0-89201-078-9. 

External links[edit]