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49th Test and Evaluation Squadron
B-1B B-2 and B-52
A United States Air Force B-2 Spirit, B-1B Lancer and B-52 Stratofortress flying in formation
Country Flag of the United States.svg United States
Branch Flag of the United States Air Force.png United States Air Force
Service history
Active 1917-present
Role Test and Evaluation
Part of Air Combat Command
Insignia 49thtsteval-emblem

The 49th Test and Evaluation Squadron is an active United States Air Force unit. Its current assignment is with the 53d Wing, based at Barksdale Air Force Base, Louisiana.


The 49th Test and Evaluation Squadron is home to several bomber operational test programs. Primary among these are the Nuclear Weapon System Evaluation Program, the bomber portion of the Air to Ground Weapon System Evaluation Program, and initial operational test of the Joint Direct Attack Munition and the Wind Corrected Munitions Dispenser. The squadron is an Air Combat Command (ACC) unit tasked to support and conduct operational testing from all three Air Force bombers. The squadron’s main focus is on the B-52 with additional testing being conducted on the B-1 and B-2. To accomplish its mission, the squadron must use operational bombers as there are no test coded bombers in ACC.


World War IEdit

49th Aero SquadronEdit

see: 49th Aero Squadron

Formed at Kelly Field #1, San Antonio, Texas on 6 August 1917. During its initial indoctrination training at Kelly Field, many squadron members were re-assigned to other squadrons, however on 25 August, personnel from the 68th Aero Squadron were assigned to the 49th. After about a month of basic training as soldiers, the squadron was moved to the newly opened Kelly Field #2 where they began training with Curtiss JN-4 Jennys as a school squadron.[1] Deployed to England in late November 1917, spent six months training with the Royal Flying Corps, then an additional month of training at the Third Air Instructional Center at Issoudun Aerodrome, France for combat training.[1] Equipped with new Spad XIIIs, the 49th began flying operations with the First Army and was credited with participation in the Lorraine, St Mihiel, and the Meuse-Argonne campaigns. During its time in combat, the 49th Aero Squadron downed 25 enemy aircraft, losing six pilots killed, wounded, or missing.[1]

166th Aero SquadronEdit

see: 166th Aero Squadron

The squadron was organized at Kelly Field, San Antonio, Texas on 18 December 1917. After several days, the squadron was 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.[1] Moved to England in March 1919, spent several months with the Royal Flying Corps being trained. Transferred to the American Expeditionary Forces in France during August 1918. Assigned to the 1st Day Bombardment Group, First Army. Equipped with De Havilland DH-4 and became a Day Bombardment squadron. In combat during the Meuse-Argonne Offensive, 18 October-11 November 1918.[1] After the 1918 Armistice with Germany, was assigned to the US Third Army, became part of the occupation forces in the German Rhineland, November 1918-April 1919. Returned to the United States, most squadron personnel demobilized in New York.[1]

Inter-War periodEdit

Remained as part of the Air Service, moved to Ellington Field, Texas in July 1919 and was reformed with new personnel. Participated in demonstrations of effectiveness of aerial bombardment on warships, June–September 1921; mercy mission in relief of marooned inhabitants of islands in the frozen Chesapeake, 9–11 February 1936.[2]

Began its association with testing when it received the first of the five Boeing YB-9, first all-metal monoplane bomber aircraft designed for the United States Army Air Corps, on 14 September 1932. The new bomber proved impossible to intercept during air exercises in May 1932, strengthening calls for improved air defense warning systems. Received the first of 12 B-17 Flying Fortresses delivered to the U.S. Army Air Corps. Participated in good-will flights to Argentina, 15–27 February 1938, Colombia, 3–12 August 1938, Mexico, 9–15 June 1939, and Brazil, 10–28 November 1939. The trip to Buenos Aires represented the longest distance performance of its kind on record and won the 2nd Bombardment Group the Mackay Trophy in 1938. Following the 24 January 1939 Chillán earthquake in Chile, the XB-15, a prototype aircraft that had been assigned to the squadron to test the feasibility of operating very heavy bombers, flew a relief mission carrying medical supplies. Commanded by Major Caleb V. Haynes, the aircraft carried 3,250 lb (1,470 kg) of American Red Cross emergency supplies to Santiago, making only two stops along the way, at France Field in the Panama Canal Zone, and at Lima, Peru. Haynes was awarded the Distinguished Flying Cross and the Order of the Merit of Chile, and the whole crew earned the MacKay Trophy.[3]

The squadron also achieved a well-publicized success on 12 May 1938, when three squadron B-17s, led by group commander Lt. Col. Robert Olds and navigated by 1st Lt. Curtis E. LeMay, a member of the 49th, intercepted the Italian ocean liner Rex over 600 miles at sea during a training exercise.[2]

World War IIEdit

49th Bomb Squadron B-17G 44-8020

Gleaming in the warm sunlight, Lockheed/Vega B-17G-45-VE Fortress 44-8020 was the lead aircraft for the 49th Bombardment Squadron from 23 July 1944 until VE-Day. Seen dropping 500-lb RDX bombs just weeks after its arrival in the MTO. the aircraft had its radar 'dustbin' extended, although the lack of cloud on this particular day would surely have meant that the bombardiers attacked using their Norden sights. (USAAF Photograph)

During the early stages of the Second World War (WWII), the 49th conducted anti-submarine operations on both the Pacific and Atlantic coast prior to being sent to the Mediterranean Theater of Operations (MTO). From 28 April 1943 to 1 May 1945, the 49th conducted air operations in both the Mediterranean and European theaters as part of the 2nd Bombardment Group (BG), 5th Combat Wing, 15th Air Force stationed at Navarin, Algeria, flying the B-17 Flying Fortress. During 1943, the group moved five times: to Chateaudun-du-Rhumel, Algeria; Ain M'lilia, Algeria; Massicault, Tunisia; Bizerte, Tunisia; Amendola, Italy. Some of the important missions the 49th participated in were: the monastery at Cassino, Italy, on 15 February 1944; enemy troop concentrations at Anzio beach-head on 2 March 1944; and the oil refineries at Ploesti, Romania, throughout the spring of 1944. The last mission was flown on 1 May 1945 against marshalling yards at Salzburg, Austria. On 29 October 1945, the group finally moved to Foggia, Italy, where it remained as part of the occupational forces and was inactivated on 28 February 1946. By the time the 49th was inactivated, it participated in 412 combat missions flown with the 2nd BG over Africa, France, Germany, Italy, Austria, Bulgaria, Yugoslavia, Romania, and Hungary.[2]

Strategic Air CommandEdit

The 49th was reactivated on 1 July 1947 at Andrews Field, Maryland. The squadron soon moved to Davis-Monthan Field, Arizona, and received training on the Boeing B-29 Superfortress as part of the new SAC long-range strike force. The 49th's first deployment came on 9 August through 16 November 1948 to Lakenheath RAF Station, England. Upon returning home, the 49th moved to Chatham AFB, Georgia, and added the B-50 to their inventory. In September 1950, the squadron moved to Hunter AFB, GA and began flying training missions over the eastern half of the United States. For the next three years the 49th deployed to Mildenhall RAF Station and Upper Heyford RAF Station, England, in support of NATO exercises and RAF bombing competitions. Then in February 1954, the squadron entered the "jet age" by receiving the Boeing B-47 Stratojet. Shortly after achieving combat-ready status, aircrews began performing alert and deploying abroad. Overseas deployments included: Sidi Slimane AB and Nouasseur AB, Morocco; Brize Norton RAF Station, England; and three different bases throughout Spain. Not only were crews and aircraft performing alert at home, but at various overseas deployment bases also. The alert commitment at home was discontinued with the increase of deployed aircrews and aircraft. Most overseas alert tours would last from three to four weeks compared to the one week tour alert crews performed during the height of the Cold War. The 49th returned home to perform alert duties during the Cuban Missile Crisis of 1962 before moving to Barksdale AFB. On 1 April 1963, the squadron was inactivated until 1986.[2]

In July 1972, the cadre was formed temporarily into the 4201st Test Squadron with a new mission to conduct operational test and evaluation (OT&E) of the Short Range Attack Missile AGM-69 SRAM. To establish continuing capability for conducting MAJCOM-directed OT&E of strategic airborne weapon systems, the 4201st was designated as a permanent organization in July 1974. At this time, the present location of Barksdale AFB, Louisiana, was established for the squadron to conduct its mission. As part of SAC's initiative to provide combat-rich histories to relatively new organizations, the 4201st was re-designated the 49th Test Squadron (49 TESTS) in July 1986.[2]


166th Aero Squadron - Emblem

166th Aero Squadron - Emblem

49th Bombardment Squadron - emblem

49th Aero/Bombardment Squadron - Emblem

  • Organized as 49th Aero Squadron on 6 August 1917
Re-designated: 49th Aero Squadron (Pursuit), July 1918
Demobilized on 22 March 1919
  • Organized as 166th Aero Squadron on 18 December 1917
Re-designated: 166th Aero Squadron (Day Bombardment), August 1918
Re-designated as 49th Squadron (Bombardment) on 14 March 1921
Re-designated as: 49th Bombardment Squadron on 25 January 1923
  • Reconstituted and consolidated with 49th Aero Squadron on 16 October 1936
Re-designated as: 49th Bombardment Squadron (Heavy) in 6 December 1939
Inactivated on 28 February 1946
  • Re-designated: 49th Bombardment Squadron (Very Heavy) On 5 April 1946
Activated on 1 July 1947
Re-designated: 49th Bombardment Squadron (Medium) on 28 May 1948
Inactivated on 1 April 1963
  • Re-designated 49th Test Squadron and activated on 1 July 1986
Organized on 1 July 1986, assuming personnel and equipment of 4201st Test Squadron (established 1 July 1972)
Re-designated: 49th Test and Evaluation Squadron on 1 July 1992



49th Aero Squadron

  • Post Headquarters, Kelly Field, 6 August-21 November 1917
  • Aviation Concentration Center, 3–23 January 1917
  • American Expeditionary Force, 23 January
Attached to the Royal Flying Corps for training, 24 January-28 July 1918
Attached to Third Air Instructional Center, 2–28 July 1918
  • 3d Pursuit Group, Air Service, 1st Army, AEF, 28 July-2 August 1918
  • 2d Pursuit Group, Air Service, 1st Army, AEF, 2 August-7 December 1918
  • 1st Air Depot, AEF, 7 December 1918-Undetermined
  • Unknown, Undetermined-22 March 1919

166th Aero (later 49th Bombardment) Squadron

  • Post Headquarters, Kelly Field, 18 December 1917
  • Unknown, 24 December 1917 – 20 February 1918
  • Aviation Concentration Center, 20 February-5 March 1918
  • Attached to the Royal Flying Corps for training, 25 March-7 August 1918
  • Replacement Concentration Center, AEF, 14–18 August 1918
  • Air Service Production Center No. 2, AEF, 18–20 August 1918
  • 1st Air Depot, AEF, 22–25 August 1918
  • 1st Day Bombardment Group, September–November 1918
  • Unknown, November 1918-18 September 1919
  • Air Service, Third Army, 22 November 1918 – 17 April 1919
  • 1st Air Depot, AEF, 17 April-3 May 1919
  • 1st Day Bombardment (later 2d Bombardment) Group, 18 September 1919 to consolidation in 1936
Detached for operations with 1st Provisional Air Brigade, May–October 1921
Attached to Ordnance Department for service, August 1922-January 1928

[1] Consolidated Squadron

Attached to Newfoundland Base Command, December 1941-June 1942
Attached to Strategic Air Combat Operations Staff, 1 July 1986-1 June 1992



49th Aero Squadron [1]

  • Kelly Field, Texas, 6 August-28 December 1917
  • Castle Bromwich Aerdrome, England, 31 January-24 June 1918
Flight "A" and "C" detached to: Castle Bromwich Aerodrome, Birmingham, 31 January-5 April 1918
Flight "B" detached to: Bicester Aerodrome, Oxford, 31 January-5 April 1918
Flight "D" detached to: Rendcomb Aerodrome, Cirencester, 31 January-5 April 1918
Squadron reformed at Castle Bromwich Aerodrome, 5 April-24 June 1918

166th Aero (later 49th Bombardment) Squadron [1]

Operated from Langley Field, Virginia, 20 May-26 October 1921

Consolidated Squadron

Air echelon, en route to Newfoundland, arrived Mitchel Field, New York, 1 December 1941
Ordered to west coast for emergency duty, 8 December 1941; operated from Geiger Field, Washington, in conjunction with 12th Reconnaissance Squadron until echelon dissolved in late December 1941



49th Aero Squadron
166th Aero (later 49th Bombardment) Squadron[1]
  • Curtiss JN-4, 1917
  • Standard J-1, 1917
  • De Havilland DH-4, 1918–1919
  • Included DH-4, Caproni bomber, and MB-2 (NBS-1), during period 1919-1929
  • Included LB-5, LB-7, B-3, and B-5 during period 1928-1932
  • In addition to B-6, c. 1931-1936, included Y1B-9 during period 1932-1936

Consolidated squadron

See alsoEdit


PD-icon.svg This article incorporates public domain material from the Air Force Historical Research Agency website This article incorporates public domain material from the Air Force Historical Research Agency website

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 Series "E", Volume 20, Histories of the 149-199th Aero Squadrons. Gorrell's History of the American Expeditionary Forces Air Service, 1917–1919, National Archives, Washington, D.C.
  2. 2.0 2.1 2.2 2.3 2.4 2d Bomb Wing History
  3. Haulman, Daniel L. One Hundred Years of Flight: USAF Chronology of Significant Air and Space Events 1903–2002. Maxwell AFB, Alabama: Air Force History and Museums Program, Air University Press, 2003. Retrieved: 26 May 2012.
  4. 4.0 4.1 4.2 AFHRA 49th Test and Evaluation Squadron

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