• Organized as the
99th Aero Squadron on 21 August 1917 : Redesignated
99th Aero Squadron (Corps Observation) on 11 March 1918 : Redesignated
99th Aero Squadron on 24 May 1919 : Demobilized on 9 June 1919 : Reconstituted and organized as
99th Corps Observation Squadron on 2 July 1919 : Redesignated:
99th Squadron (Observation) on 14 March 1921 : Redesignated:
99th Observation Squadron on 25 January 1923 : Inactivated on 31 July 1927 • Activated on 9 November 1928 : Redesignated:
99th Bombardment Squadron on 1 March 1935 : Redesignated:
99th Bombardment Squadron (Medium) on 6 December 1939 : Redesignated:
99th Bombardment Squadron (Heavy) on 20 November 1940 : Redesignated:
99th Bombardment Squadron, Very Heavy on 28 March 1944 : Inactivated on 20 October 1948 • Redesignated
99th Strategic Reconnaissance Squadron, Photographic and activated, on 1 May 1949 : Redesignated:
99th Bombardment Squadron, Heavy on 1 April 1950 : Redesignated:
99th Bombardment Squadron, Medium on 2 October 1950 : Redesignated:
99th Strategic Reconnaissance Squadron on 25 June 1966 : Inactivated on 1 April 1971 • Activated on 1 November 1972 : Redesignated:
99th Reconnaissance Squadron on 1 September 1991
Assignments • Post Headquarters, Kelly Field, 21 August 1917 • Aviation Concentration Center, 3 November 1917 • Second Aviation Instruction Center, 12 December 1917 •
First Army Observation Group, 11 March 1918 (attached to 3d Artillery Observation School, c. 1 April-31 May 1918) •
V Corps Observation Group, 7 August 1918 • Air Service Headquarters, American Expeditionary Force, 13 December 1918 • 1st Air Depot, American Expeditionary Force, 19 February 1919 • Advanced Section Services of Supply, 5 March 1919 • Post Headquarters, Mitchell Field, 24 May 1919 • Eastern Department, 25 May-9 June 1919 • Eastern Department, 2 July 1919 • Third Corps Area, 20 August 1920 • District of Washington, c. Jan 1922 • 8th Division Air Service, 24 May 1923 • Air Corps Training Center, June-31 July 1927 • Second Corps Area (attached to 9th Observation Group after 9 November 1928) • 9th Observation Group (later 9th Bombardment Group), 15 February 1929 – 20 October 1948 • 9th Strategic Reconnaissance Group (later 9th Bombardment Group), 1 May 1949 (attached to 9th Bombardment Wing after 10 February 1951) • 9th Bombardment Wing (later 9th Strategic Aerospace Wing, 9th Strategic Reconnaissance Wing), 16 June 1952 – 1 April 1971 •
100th Strategic Reconnaissance Wing, 1 November 1972 – 30 June 1976 (attached to Air Division, Provisional, 17th until 1 January 1975) • 9th Strategic Reconnaissance Wing, 30 June 1976 • 9th Operations Group, 1 September 1991 – present
Stations • Kelly Field, Texas, 21 August 1917 •
Aviation Concentration Center, Garden City, New York, 3-14 Nov 1917 •
Tours Aerodrome, France, 12 December 1917 •
Haussimont Aerodrome, France, 11 March 1918 •
Amanty Aerodrome, France, 31 May 1918 •
Luxeuil-les-Bains Aerodrome, France, 1 July 1918 : Flight operated from Corcieux Aerodrome, 19-24 Jul 1918 : Flight operated from Dogneville Aerodrome, 24 Jul-26 Aug 1918 •
Souilly Aerodrome, France, 7 September 1918 •
Foucaucourt Aerodrome, France, 20 September 1918 •
Parois Aerodrome, France, 4 November 1918 •
Belrain Aerodrome, France, 31 November 1918 •
Chaumont-sur-Aire Aerodrome, France, 13 December 1918 •
Chaumont Aerodrome, France, c. 25 December 1918 : Flights operated from Prauthoy Aerodrome, Bourbonne-les-Bains Aerodrome, and Montigney-le-Roi Aerodrome, France, until c. 1 February 1919 •
Colombey-les-Belles Airdrome, France, 19 February 1919 •
Sadirac, France, 5 Mar-8 May 1919 • Mitchel Field, New York, 24 May 1919 •
Hazelhurst Field, New York, 25 May-9 Jun 1919 • Mitchel Field, New York, 2 July 1919 • Camp Alfred Vail, New Jersey, Jul 1919 •
Bolling Field, DC, 17 August 1919 • Kelly Field, Texas (1927) • Mitchel Field, New York (1928–1940) • Río Hato Field, Panama (1940–1941) • Piarco Airport, Trinidad (1941) • Zandery Field, Surinam (1941–1942) •
Orlando Army Air Base, Florida (1942–1943) • Montbrook Army Air Field, Florida (1943) •
Kissimmee Army Air Field, Florida (1943–1944) •
Brooksville Army Air Field, Florida (1944) • Orlando Army Air Base, Florida (1944) • Dalhart Army Air Field, Texas (1944) • McCook Army Air Field, Nebraska (1944) • North Field, Tinian (1944–1946) •
Clark Field,
Luzon, Philippines (1946–1947) •
Harmon Air Force Base, Guam (1947–1948) • Fairfield-Suisun Air Force Base (later Travis Air Force Base), California (1949–1953) • Detachment at:
Andersen Air Force Base, Guam (c. 7 August – 17 September 1950) • Detachment at: Andersen Air Force Base, Guam (9 April – 19 June 1951) • Detachment at: Andersen Air Force Base, Guam (17 June – 22 September 1952) • Mountain Home Air Force Base, Idaho (1953–1966) • Deployed:
RAF Fairford, United Kingdom (23 May – 9 July 1955) • Deployed: Andersen Air Force Base, Guam (c. 4 October 1957 – c. 12 January 1958) • Beale Air Force Base, California (1966–1971) • U-Tapao Royal Thai Navy Airfield, Thailand (1972–1976) • Beale Air Force Base, California (1976–present) • Detachment at: RAF Fairford, United Kingdom (September 2019 – present)
Aircraft • Sopwith 1½ Strutter, 1918 • Salmson 2A2, 1918-1919 • Dayton-Wright DH-4 (1919–1927) • Royal Aircraft Factory S.E.5 (1919–1927) •
Curtiss O-1 Falcon (1928–1936) • Curtiss O-11 Falcon (1928–1936) •
Douglas O-25 (1928–1936) •
Loening OA-2 (1928–1936) •
Douglas O-31 (1928–1936) •
Douglas Y1O-35 (1928–1936) •
Douglas O-38 (1928–1936) • Curtiss O-39 Falcon (1928–1936) • Curtiss Y1O-40B Raven (1928–1936) •
Curtiss O-40 Raven (1928–1936) •
Douglas O-43 (1928–2936) • Martin B-10 (1936–1938) •
Douglas OA-4 Dolphin (1937) • Douglas B-18 Bolo (1938–1942) •
Sikorsky OA-8 (1939) •
Boeing P-12 (1939) • Curtiss P-40 Warhawk (1941–1942) •
North American B-25 Mitchell (1943) •
Martin B-26 Marauder (1943) • Boeing B-17 Flying Fortress (1943–1944, 1949–1950) • Boeing B-29 Superfortress (1944–1946, 1946–1947, 1949–1954) • Boeing RB-17 Flying Fortress (1949–1950) • Boeing RB-29 Superfortress (1949–1950) • Boeing B-47 Stratojet (1954–1966) • Lockheed SR-71 Blackbird (1966–1971) •
Lockheed DC-130 (1972–1975) •
Sikorsky CH-3 (1972–1975) • Lockheed U-2 Dragon Lady (1972–present) • Lockheed TR-1 (1981-1991) •
Northrop T-38 Talon (1976–present) ==See also==