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40th Expeditionary Bomb Squadron
40th Expeditionary Bomb Squadron
	B-52 Stratofortresses on the ramp at Diego Garcia
Active	1944–1948; 1951–1967; 2002–unknown
Country	United States
Branch	United States Air Force
Role	Heavy Bomber
Nickname(s)	Fightin' 40th
Engagements	Western Pacific Theater of Operations
Decorations	Distinguished Unit Citation; Air Force Outstanding Unit Award
Insignia
Patch with 40th Bombardment Squadron emblem

The 40th Expeditionary Bomb Squadron is a provisional United States Air Force unit. It was assigned to the 40th Air Expeditionary Wing, possibly stationed at Diego Garcia. Its current status is unknown.

History

B-29 Superfortress operations against Japan

Established as a Boeing B-29 Superfortress heavy bomb group in early 1944; trained under Second Air Force in Nebraska. Initially trained with Boeing B-17 Flying Fortresses until B-29 aircraft were manufactured and assigned to the unit.

Deployed to Tinian, Mariana Islands in December 1944. Entered combat by flying navigational escort for a major attack force bound for Iwo Jima. The squadron then struck Tokyo and other major Japanese cities and facilities during daylight high-altitude bombing raids, with crippling, non-stop incendiary raids which destroyed lines of communication, supply, and numerous kamikaze bases. On 25 May 1945, the squadron flew a low-altitude night mission through alerted enemy defenses to drop incendiary bombs on Tokyo, for which they received their first Distinguished Unit Citation.

In addition to incendiary raids, the 40th also participated in mining operations. By mining harbors in Japan and Korea in July 1945, the squadron contributed to the blockade of the Japanese Empire earning their second Distinguished Unit Citation. The 40th's final World War II mission came on 14 August 1945, with the dropping of 500-pound general-purpose bombs on the Marifu railroad yards at Iwakuni.

With the war over, the squadron dropped food and supplies to Allied prisoners of war and took part in show-of-force flights over Japan. Aircraft and were returned to the United States in late 1945; unit remained assigned to Twentieth Air Force primarily as an administrative unit where it was unequipped; finally inactivated in 1948.

Strategic Air Command

Reactivated in January 1951 due to expansion of the Air Force due to the Cold War. Equipped with Convair B-36 Peacemaker intercontinental strategic bombers. Initially was equipped with B-36Fs. Later Featherweight III B-36Js were added, the squadron operating both types. Carried blue stripe on the tip of the vertical stabilizer; the lip of the jet intakes and the "nose cone" of the jet itself along with triangle-R tail code. SAC eliminated tail codes in 1953. In September 1957, the B-36s were replaced with Boeing B-52E Stratofortress aircraft and all squadron markings were eliminated. Continued strategic bombardment training until 1967 when the squadron was inactivated with the closing of Walker Air Force Base.

Reactivated as a provisional B-52H strategic bomb squadron as part of the Global War on Terrorism in 2002. Engaged in combat operations over Iraq and Afghanistan. Suspected to have ended combat operations in 2006; current status is undetermined.

Operations and decorations

Combat Operations: Combat in Western Pacific, 27 Jan-14 Aug 1945.
Campaigns: Air Offensive, Japan; Eastern Mandates; Western Pacific.
Decorations: Distinguished Unit Citations: Tokyo, Japan, 25 May 1945; Japanese Empire, 9–19 Jul 1945. Air Force Outstanding Unit Award: 1 May 1960 – 31 May 1962.

Lineage

Constituted as the 40th Bombardment Squadron, Very Heavy on 28 March 1944

Activated on 1 April 1944

Inactivated on 18 October 1948

Redesignated 40th Bombardment Squadron, Medium on 20 December 1950

Activated on 2 January 1951

Redesignated 40th Bombardment Squadron, Heavy on 16 June 1952^[2]

Inactivated on 25 January 1967

Redesignated 40th Expeditionary Bomb Squadron and converted to provisional status 31 January 2002^{[citation needed]}

Activated unknown (2002?)

Assignments

6th Bombardment Group, 1 April 1944 – 18 October 1948
6th Bombardment Group, 2 January 1951 (attached to 6th Bombardment Wing)^[3]
6th Bombardment Wing (later 6th Strategic Aerospace Wing), 16 June 1952 – 25 January 1967^[2]^[3]
40th Air Expeditionary Wing, 31 Jan 2002-TBD

Stations

Dalhart Army Air Field, Texas, 1 April 1944
Grand Island Army Airfield, Nebraska, 26 May – 18 November 1944
North Field, Tinian, 28 December 1944
Clark Field, Philippines, 13 March 1946
Kadena Air Base, Okinawa, 1 June 1947 – 18 October 1948
Walker Air Force Base, New Mexico, 2 January 1951 – 25 January 1967^[2]
Diego Garcia, 31 Jan 2002-unknown

Aircraft

Boeing B-17 Flying Fortress, 1944
Boeing B-29 Superfortress, 1944–1947; 1951–1952
Convair B-36 Peacemaker, 1952–1957
Boeing B-52 Stratofortress, 1957–1967; 2002-unknown^[2]

References

Explanatory notes

^ Approved 19 April 1962.

Citations

^ ^a ^b ^c Maurer, Combat Squadrons, pp. 186-187
^ ^a ^b ^c ^d Lineage information, including assignments, stations and aircraft through May 1963 in Maurer, Combat Squadrons, pp. 186-187
^ ^a ^b Ravenstein, pp. 16-18

Bibliography

This article incorporates public domain material from the Air Force Historical Research Agency

Maurer, Maurer, ed. (1983) [1961]. Air Force Combat Units of World War II (PDF) (reprint ed.). Washington, DC: Office of Air Force History. ISBN 0-912799-02-1. LCCN 61060979. Retrieved 17 December 2016.
Maurer, Maurer, ed. (1982) [1969]. Combat Squadrons of the Air Force, World War II (PDF) (reprint ed.). Washington, DC: Office of Air Force History. ISBN 0-405-12194-6. LCCN 70605402. OCLC 72556.
Ravenstein, Charles A. (1984). Air Force Combat Wings, Lineage & Honors Histories 1947-1977 (PDF). Washington, DC: Office of Air Force History. ISBN 0-912799-12-9. Retrieved 17 December 2016.