Group, 1 September 1991 – 15 June 1994 USAF Weapons School, 3 February 2003 – 24 July 2020 Space Training and Readiness Delta (Provisional), 24 July 2020 – 23 August 2021 Space Delta 1, 23 August 2021 – present Stations Barksdale Field, Louisiana, 1 March 1942 Page Field, Florida, 18 May-13 August 1942 RAF Alconbury (AAF-102), England, 7 September 1942 RAF Hardwick (AAF-104), England, c. 6 December 1942 – 15 June 1945 Air echelon operated from Tafaraoui Airfield, Algeria, 7–15 December 1942, RAF Gambut, Libya, 16 December 1942 – 25 February 1943, Benghazi Airport, Libya, 27 June–25 August 1943, Oudna Airfield, Tunisia, 18 September–3 October 1943 Sioux Falls Army Air Field, South Dakota, 26 June 1945 Pratt Army Air Field, Kansas, 24 July 1945 Clovis Army Air Field, New Mexico, 13 December 1945 Castle Field (later Castle Air Force Base), California, 21 June 1946 – 15 June 1994 Nellis Air Force Base, Nevada, 3 February 2003 – present Aircraft operated Consolidated B-24 Liberator (1942–1945) Boeing B-29 Superfortress (1945–1949) Boeing B-50 Superfortress (1949–1954) Boeing B-47 Stratojet (1954–1955) Boeing B-52B Stratofortress (1955–1965) Boeing B-52D Stratofortress (1956–1958) Boeing B-52E Stratofortress (1957–1958; 1967–1970) Boeing B-52F Stratofortress (1958–1974) Boeing B-52G Stratofortress (1966–1967; 1974–1994) Boeing B-52H Stratofortress (1974–1993) List of commanders Capt Addison E. Baker, 26 March 1942 Capt Benjamin F. Riggs, before 19 January 1943 Capt Joseph H. Tate Jr., 1 March 1943 Capt Roy G. Martin, c. 15 December 1943 Maj George O. McCafferty, 26 June 1944 Maj Wayne M. Beumeler, 11 September 1944 Maj John R. Dowswell, 26 September 1944 Capt Earl L. Hehn Jr., 15 July 1945 Maj Clarence J. Jackson, 29 September 1945 Maj Everett E. Zweifel, August 1947 Maj Howard E. Brown, October 1947 Lt Col Jack D. Whitten, unknown Lt Col Everette E. Zweifel, by March 1948 Lt Col Louis S. Sowers, 29 January 1949 Lt Col William E. Keefer, 19 February 1950 Lt Col Paul H. Francis, 15 November 1950 Lt Col William J. Simons, 1 September 1951 Lt Col Robert G. Smith, 5 June 1953 Lt Col Kenneth R. Rea, 1 June 1954 Lt Col Stuart M. Abrams, 26 September 1956 Lt Col Eldridge Shelton, 18 September 1957 Lt Col James Q. McColl, 15 November 1958 Lt Col James H. Morriss, July 1960 Lt Col Francis J. O'Sullivan, September 1961 Lt Col Leslie W. Brockwell, January 1964 Col Franklin G. Rhoades, 1 July 1966 Col Jesse C.