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20th Bomb Squadron
20th Bomb Squadron
	A 20th Expeditionary Bomb Squadron B-52 Stratofortress releases flares over the Indian Ocean following a mission in 2020.
Active	1917–1946; 1947–present
Country	United States
Branch	United States Air Force
Type	Squadron
Role	Bomber
Part of	Global Strike Command
Garrison/HQ	Barksdale Air Force Base, Louisiana
Nickname(s)	Buccaneers[citation needed]
Engagements	; World War I; ; World War II – Antisubmarine; ; World War II – EAME Theater;
Decorations	Distinguished Unit Citation; Air Force Outstanding Unit Award with Combat "V" Device; Air Force Outstanding Unit Award; Republic of Vietnam Gallantry Cross with Palm
Insignia
20th Bomb Squadron emblem (updated 2019)
20th Bomb Squadron emblem (modified c. 1995)
20th Bombardment Squadron emblem (approved 12 June 1924)
20th Aero Squadron emblem (approved by AEF 18 November 1918)
Tail Code	LA
Aircraft flown
Bomber	Boeing B-52 Stratofortress

The 20th Bomb Squadron is a unit of the 2d Operations Group of the United States Air Force located at Barksdale Air Force Base, Louisiana. The 20th is equipped with the Boeing B-52H Stratofortress.

Formed in May 1917 as the 20th Aero Squadron, the squadron saw combat in France on the World War I Western Front. It took part in the St. Mihiel offensive and Meuse-Argonne offensive.

After the war, it served with the Army Air Service and Army Air Corps as the 20th Bombardment Squadron During the 1920s and 1930s, the squadron was involved in field service testing of new bomber aircraft, notably the Y1B-17 Flying Fortress.

During World War II the squadron fought in the North African and Italian Campaigns. It was awarded a Distinguished Unit Citation for its actions during a raid on Steyr, Austria.

It was a part of Strategic Air Command during the Cold War. As a medium bomber squadron it deployed to stand alert at forward bases in "Reflex" operations. After equipping with Boeing B-52 Stratofortresses stood nuclear alert, but during the Viet Nam War the squadron deployed frequently to perform Operation Arc Light bombing missions. Since 1993, the 20th Bomb Squadron has flown the B-52H Stratofortress long-range strategic bomber, which can perform a variety of missions. Today the squadron is engaged in the Global War on Terrorism.

History

World War I

The squadron was first organized as the 20th Aero Squadron at Kelly Field, Texas on 17 May 1917.^[4] On 29 July 1917, under command of Captain W.W. Wynne, the squadron moved to Wilbur Wright Field, Dayton, Ohio, where it received its first training in the handling of Curtiss JN-4 and Standard J-1 aircraft. It deployed to France where it was assigned to the 1st Day Bombardment Group. Assigned British de Havilland DH-4 aircraft with American Liberty engines, and was engaged in combat during the St. Mihiel offensive and Meuse-Argonne offensive during 1918. After the 1918 Armistice with Germany, the squadron returned to the United States and arrived at Mitchel Field, New York on 2 May 1919. There most of the men were discharged from Army service and returned to civilian life.^[5]^[6]

Inter-War period

After the squadron returned to the United States it re-formed with new personnel at Ellington Field, Houston Texas in June 1919. The 20th equipped with some de Havilland DH-4 bombers and moved to Kelly Field. it was assigned to the new 1st Day Bombardment (later, 2d Bombardment) Group. After the establishment of the permanent United States Army Air Service in 1921, it was redesignated as the 20th Squadron (Bombardment). During this period, the unit also operated some Martin NBS-1s and British Handley Page 0/400s.^[7]

A 2,000 lb. bomb "near-miss" severely damages *Ostfriesland* at the stern hull plates

In May 1920 the squadron was temporarily assigned to Langley Field, Virginia and became part of the First Provisional Air Brigade under Brigadier General Billy Mitchell. It trained with Handley Page O/400 and Martin MB-2 bombers. Its mission would be to attack captured German ships along the Atlantic coast off Virginia in a service demonstration to determine whether a battleship could be sunk by bombing. The targets were an aged and surplus US battleship and four former German Navy vessels, including the battleship SMS Ostfriesland, obtained in the peace settlement after World War I and scheduled for scuttling.^[8]

After the completion of the demonstration, the squadron moved permanently to Langley on 30 June 1922. During the 1920s and 1930s the squadron was used for service testing of new bombardment aircraft as they were developed and improved, primarily Keystone Aircraft light biplane bombers in the 1920s. These planes became the backbone of the Army Air Corps bomber fleet in the latter part of the decade.^[7] In 1932 the squadron received and began service testing the Boeing Y1B-9, the first American all-metal monoplane bomber aircraft design. The high speed of the Y1B-9A indicated that open cockpits were now impractical, and that enclosed cockpits would be needed in the future. The Boeing B-9 made obsolete the Keystone Biplane bombers then in service. The Martin B-10 replaced the B-9 in 1936, but the squadron operated the B-10 for only a brief time.^[9]

In 1937 the squadron received the new Boeing Y1B-17 four-engine heavy bomber. Twelve Y1B-17s were delivered to the 2d Bombardment Group for evaluation. At this time, the dozen Y1B-17s comprised the entire heavy bombardment strength of the United States. The 20th spent its time working out the defects in the prototype aircraft, working with Boeing engineers to make corrections for the final production model B-17B. One recommendation was the use of a checklist that the pilot and copilot would use together before takeoff, hopefully preventing accidents such as the one which resulted in the loss of the original Boeing Model 299.^[10]

Six planes of the squadron took part in a good will flight from Langley to Buenos Aires, Argentina, taking off from Langley on 15 February 1938 and returning on 27 February. They covered a total of 12,000 miles without serious incident.^[10] In May 1938, planes of the squadron took part in a demonstration in which they "intercepted" the Italian ocean liner SS Rex while it was still 700 miles out in the Atlantic Ocean. This demonstration of the Y1B-17's range and navigational capabilities, but also showed how useful the plane could be in attacking an enemy invasion force before it came close enough to American shores to do any damage. The Navy was not amused by this particular demonstration, and was furious about what it perceived to be Army intrusion into the Navy's mission. Shortly thereafter, the War Department restricted the activities of the Army Air Corps to a 100-mile range of the US shoreline.^[10] The Y1B-17s flew for three years without a serious accident, and were transferred to the 19th Bombardment Group at March Field in October 1940. The squadron received new production Boeing B-17D Fortresses to replace them.^[10]

World War II

Boeing B-17F-85-BO Fortress 42-30082 from the 20th Bomb Squadron undergoes maintenance in the open at Ain M'lila Airfield, Algeria in the late summer of 1943.

After the Attack on Pearl Harbor, the squadron served on antisubmarine duty along the mid-Atlantic coastline as part of I Bomber Command for several months until it was reorganized as AAF Antisubmarine Command.^[7]

The squadron re-equipped with more modern B-17F Flying Fortresses and moved to Ephrata Army Air Field, Washington for transition and combat training in late 1942 and early 1943. It moved to North Africa in April 1943, carrying out bombing missions in Algeria and Tunisia as part of Twelfth Air Force during the North African Campaign. The unit flew many support and air interdiction missions, bombing such targets as marshalling yards, airfields, troop concentrations, bridges, docks, and shipping. The 20th participated in the defeat of Axis forces in Tunisia during April and May 1943; the reduction of Pantelleria and the preparations for Operation Husky, the invasion of Sicily, in May through July 1943; and Operation Avalanche, the invasion of Italy in September.^[7]

The squadron was transferred to Fifteenth Air Force control in December 1943 and engaged in bombing operations primarily in Italy in support of the Allied drive north toward Rome from January to June 1944. It also supported Operation Dragoon, the invasion of southern France in August 1944 and the campaigns against German forces in northern Italy from June 1944 until the end of the war. The unit engaged primarily in long-range bombardment of strategic targets after October 1943, attacking oil refineries, aircraft factories, steel plants, and other objectives in Germany, Poland, Czechoslovakia, Austria, Hungary, Yugoslavia, Romania, and Greece.^[7]

En route to bomb a vital aircraft factory at Steyr, Austria during Big Week on 24 February 1944, the group was greatly outnumbered by enemy interceptors, but it maintained its formation and bombed the target, receiving a Distinguished Unit Citation (DUC) for the performance. On the following day, while on a mission to attack aircraft factories at Regensburg, it met similar opposition equally well and was awarded a second DUC. The 20th served as part of the occupation force in Italy after V-E Day and was inactivated in Italy on 28 February 1946.^[7]

Strategic Air Command

A U.S. Air Force Boeing B-52D-60-BO Stratofortress (s/n 55-0100) dropping bombs over Vietnam.

The squadron was reactivated as a Boeing B-29 Superfortress very heavy bomber squadron under Strategic Air Command in 1947 and assigned to Chatham Air Force Base near Savannah, Georgia, until Hunter Air Force Base was ready to accept the 2d Bombardment Wing. it flew B-29 and later Boeing B-50 Superfortresses during the early postwar era. The 20th participated in electronic countermeasures testing and evaluation from May 1950 until May 1952. Equipped with B-47 Stratojet medium bombers in 1954, flying training missions and standing nuclear alert until the phaseout of the B-47 in 1963.^[7]

The squadron moved to Barksdale Air Force Base, where it began to re-equip with the Boeing B-52F Stratofortress in 1963. The squadron was moved to Carswell Air Force Base on 25 June 1965, joining the 9th Bombardment Squadron as the second B-52F squadron at Carswell. During the Vietnam War, the squadron would switch rotations to Andersen AFB, Guam for Operation Arc Light missions over Southeast Asia with the 9th, while the other squadron remained on nuclear alert at Carswell.^[11]

The unit continued Arc Light deployments, switching to the B-52D in 1969 until March 1970 when the draw down of the Vietnam War ended forward deployments to Andersen. The squadron continued nuclear alert with the B-52D until 1983, when it re-equipped with B-52Hs, acquiring the aircraft of the 46th Bombardment Squadron at Grand Forks Air Force Base, North Dakota. During the 1980s it conducted B-52 training missions over bombing range sites and supported the wing mission of aerial bombardment.^[7]

Current era

The squadron returned to Barksdale in 1992 with the closure of Carswell and became part of the new Air Combat Command. It continued training for global conventional bombardment missions and maintained nuclear operational readiness.^[7]

After the September 11 attacks the 20th deployed to the island of Diego Garcia in the Indian Ocean and on 7 October 2001 flew attacks on targets in Afghanistan during Operation Enduring Freedom. In February 2003 it deployed to Guam to deter North Korean aggression.^[7]

On 21 July 2008, a squadron B-52 aircraft crashed near Guam during a training mission in support of Guam's Liberation Day festivities. All six crewmembers, three of whom were from the 20th, perished.^[7]

Lineage

Organized as the 20th Aero Squadron on 17 May 1917

Redesignated 20th Aero Squadron (Day Bombardment) c. September 1917^{[citation needed]}

Redesignated 20th Squadron (Bombardment) on 14 March 1921

Redesignated 20th Bombardment Squadron on 25 January 1923

Redesignated 20th Bombardment Squadron (Heavy) on 6 December 1939

Redesignated 20th Bombardment Squadron, Heavy on 26 March 1943

Inactivated on 28 February 1946

Redesignated 20th Bombardment Squadron, Very Heavy on 5 April 1946

Activated on 1 July 1947

Redesignated 20th Bombardment Squadron, Medium on 28 May 1948

Redesignated 20th Bombardment Squadron,, Heavy on 1 April 1963

Redesignated 20th Bomb Squadron on 1 September 1991^[12]

Assignments

Post Headquarters, Kelly Field, 26 June 1917^[6]
Post Headquarters, Wilbur Wright Field, 29 July 1917^[6]
Aviation Concentration Center, 1 November 1917 – 17 December 1917^[6]
Headquarters, Chief of Air Service, American Expedetionary Force, 31 December 1917 – 23 August 1918 (attached to Royal Flying Corps for training, 7 January 1918 – 20 August 1918)^[6]
Replacement Concentration Center, American Expeditionary Force, 23 August 1918 – 26 August 1918^[6]
1st Day Bombardment Group, 10 September 1918
1st Air Depot, AEF, 17 January 1919^[6]
Unknown, 19 January 1919 – 18 September 1919
1st Day Bombardment Group (later 2d Bombardment Group), 18 September 1919 – 28 February 1946
2d Bombardment Group, 1 July 1947 (attached to 3d Air Division 6 August 1948 – 16 November 1948, 2d Bombardment Wing after 10 February 1951)
2d Bombardment Wing, 16 June 1952
7th Bombardment Wing, 25 June 1965
7th Operations Group, 1 September 1991
2d Operations Group, 18 December 1992 – present^[12]

Stations

World War I

Camp Kelly, Texas, 26 June 1917
Wilbur Wright Field, Ohio, 29 July 1917
Aviation Concentration Center, Garden City, New York, 1 November 1917 – 17 December 1917
Glasgow, Scotland, 31 December 1918
Winchester, England
Romsey RC,^{[clarification needed what is RC?]} Winchester, England, 2 January 1918 – 4 January 1918^{[citation needed]}
Stamford, England, 7 January 1918

Detachment assigned to Narborough, England, 7 January 1918 – 15 August 1918^{[citation needed]}

Southampton, England, 20 August 1918^{[citation needed]}
Le Havre, France, 22 August 1918^{[citation needed]}
St. Maixent Replacement Barracks, 23 August 1918^{[citation needed]}
Delouze Aerodrome, France, 26 August 1918
Amanty Airdrome, France, 7 September 1918
Maulan Aerodrome, France, 23 September 1918
Colombey-les-Belles Airdrome, France, 17 January 1919
Guitres, France, 19 January 1919
Saint-Denis-de-Pile, France 14 February 1919
Libourne, France, 27 February 1919 – 20 April 1919^[12]

Inter-War period

Mitchel Field, New York, 2 May 1919
Ellington Field, Texas, June 1919
Kelly Field, Texas, 24 September 1919
Langley Field, Virginia, 30 June 1922

Operated from Mitchel Field, New York, 8 December 1941 – 24 January 1942^[12]
World War II

Ephrata Army Air Base, Washington, 29 October 1942
Great Falls Army Air Base, Montana, 28 November 1942 – 13 March 1943
Navarin Airfield, Algeria, 25 April 1943
Chateau-dun-du-Rhumel Airfield, Algeria, 27 April 1943
Ain M'lila Airfield, Algeria, 17 June 1943
Massicault Airfield, Tunisia, 31 July 1943
Amendola Airfield, Italy, 8 December 1943
Foggia Airfield, Italy, 10 October 1945 – 28 February 1946^[1]

United States Air Force

Andrews Field, Maryland, 1 July 1947
Davis-Monthan Field (later Davis-Monthan Air Force Base), Arizona, 24 September 1947

Deployed at RAF Lakenheath, England, 6 August 1948 – 16 November 1948

Chatham Air Force Base, Georgia, 1 May 1949
Hunter Air Force Base, Georgia, 29 September 1950

Deployed at RAF Wyton, England, 4 May 1951 – 7 September 1951

Deployed at RAF Upper Heyford, England, 6 September 1952 – 3 December 1952

Deployed at: Sidi Slimane Air Base, French Morocco, 5 August 1954 – 30 September 1954; 3 November 1955 – 7 November 1955; 8 March 1956 – 18 March 1956 and 6 July 1956 – 26 August 1956

Deployed at RAF Lakenheath, England; 10 March 1958 – 18 March 1958

Barksdale Air Force Base, Louisiana 1 April 1963
Carswell Air Force Base, Texas, 25 June 1965 – 1992
Barksdale Air Force Base, Louisiana, 17 December 1992 – present^[1]

Aircraft

World War I^[6]

Curtiss JN-4, 1917
Standard J-1, 1917
de Havilland DH-4, 1918

Inter-War period

de Havilland DH-4, 1919–c. 1927
Martin MB-2/NBS-1, 1921–1927
Handley Page 0/400, 1921–Unknown
Huff-Daland XLB-1, 1927 (service test)
Keystone XLB-5, 1927 (service test)
Keystone LB-5, 1927–1929
Keystone LB-6, 1929–Unknown
Keystone LB-7, 1929–Unknown
Keystone B-3, 1931–Unknown
Keystone B-5, 1931
Keystone B-6, 1932–1935
Boeing Y1B-9, 1932–1936
Curtiss B-2 Condor, 1935–Unknown
Martin YB-10, 1936–1937
Martin B-10, 1936–Unknown
Martin YB-12, 1936–1937
Boeing YB-17 Fortress, 1937–1941 (service test)
Douglas B-18 Bolo, 1938–1942
North American BC-1, 1938–Unknown
Douglas B-23 Dragon, c. 1939
Northrop A-17, c. 1939–1940
Douglas A-20 Havoc, c. 1940–Unknown

World War II

Lockheed B-34 Lexington, c. 1941–unknown
North American B-25 Mitchell, 1941–1942
Boeing B-17 Flying Fortress, 1937–1945

United States Air Force

Boeing B-29 Superfortress, 1947–1950
Boeing B-50 Superfortress, 1949–1953
Boeing B-47E Stratojet, 1954–1963
Boeing B-52F Stratofortress, 1963–1969
Boeing B-52D Stratofortress, 1969–1983
Boeing B-52H Stratofortress, 1983–Present^[1]

References

Notes

^ ^a ^b ^c ^d ^e ^f Robertson, Patsy (16 March 2015). "Factsheet 20 Bomb Squadron (ACC)". Air Force Historical Research Agency. Archived from the original on 30 October 2012. Retrieved 3 January 2018.
^ Maurer, Combat Squadrons, pp. 105–107
^ "World War I Aero Squadrons". Cross and Cockade Journal. 5 (2). Society of World War I Aero Historians: 145. 1964.
^ Barth
^ Battle Participation of Organizations of the American Expeditionary Forces^{[page needed]}
^ ^a ^b ^c ^d ^e ^f ^g ^h Gorrell^{[page needed]}
^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k No byline. "Fact Sheet: 2nd Bomb Wing History". 2d Bomb Wing Public Affairs. Archived from the original on 26 September 2009. Retrieved 4 January 2018.
^ Correll, John T. (2008). "Billy Mitchell and the Battleships". Air Force Magazine. 91 (6). Air Force Association. Archived from the original on 2 September 2017. Retrieved 4 January 2018.
^ Baugher, Joseph F. (10 September 2002). "Boeing B-9". Joe Baugher. Retrieved 4 January 2018.
^ ^a ^b ^c ^d Baugher, Joseph F. (25 July 1999). "Boeing Y1B-17". Joe Baugher. Retrieved 4 January 2018.
^ Baugher, Joseph F. (25 February 2002). "Service of Boeing B-52F Stratofortress". Joe Baugher. Retrieved 4 January 2018.
^ ^a ^b ^c ^d Lineage, including assignments and stations, in Robertson, except as noted.

Bibliography

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

Gorrell, Col. Edgar S. (1974). History of the American Expeditionary Forces Air Service, 1917–1919. Series E: Squadron Histories. Vol. 4, History of the 16th, 17th, and 19th–21st Aero Squadrons. Washington, DC: National Archives and Records Service, General Services Administration. OCLC 215070705.
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. Retrieved 17 December 2016.
Ravenstein, Charles A. (1984). Air Force Combat Wings, Lineage & Honors Histories 1947–1977. Washington, DC: Office of Air Force History. ISBN 0-912799-12-9. Retrieved 17 December 2016.
War Department (1920). Battle Participation of Organizations of the American Expeditionary Forces in France, Belgium and Italy, 1917–1919. Washington DC: Government Printing Office. OCLC 118250. Retrieved 4 December 2016.
Barth, Clarance G.. (1920). History of the History of the Twentieth Aero Squadron: The "Mad Bolshevik" Squadron of the First Day Bombardment Group. Nashville, TN: The Battery Press. p. 1.