1949 1140th Special Reporting Wing Re-designated: 1100th USAF Special Reporting Group Re-designated: 1090th USAF Special Reporting Group, 18 August 1948 – 31 December 1971 (Handled base operations, including maintenance and security) 3170th Special Weapons Group Re-designated: 4925th Special Weapons Group Re-designated: 4925th Test Group, 28 August 1948 – 1 April 1961 3078th Air Base Group * Re-designated: 4910th Air Base Group *, 5 July 1949 – 1 May 1955 81st Fighter Wing Re-designated: 81st Fighter-Interceptor Wing, 5 January 1949 – 1 May 1950 91st Fighter-Interceptor Squadron, 17 June 1949 – 1 May 1950 92d Fighter-Interceptor Squadron, 17 June 1949 – 1 May 1950 93d Fighter-Interceptor Squadron, 17 June 1949 – 8 July 1960 690th Aircraft Control and Warning Squadron, 8 December 1949 – 6 February 1952 725th Aircraft Control and Warning Squadron, 27 April 1950 – 8 June 1951 Albuquerque Air Defense Sector, 1 May 1950 – 5 January 1951 34th Air Division (Defense), 5 January 1951-January 1960 4901st Support Wing (Atomic) Re-designated: 4901st Air Base Wing Re-designated: 4901st Air Base Group Re-designated: 4900th Air Base Wing *, 1 February 1951 – 1 July 1977 Replaced by: 1606th Air Base Wing *, 1 July 1977 – 1 June 1993 682d Aircraft Control and Warning Squadron, 1 December 1953 – 1 August 1954 684th Aircraft Control and Warning Squadron, 1 December 1953 – 19 April 1954 685th Aircraft Control and Warning Squadron, 1 December 1953 – 17 January 1955 687th Aircraft Control and Warning Squadron, 1 October 1953 – 20 June 1956 904th Aircraft Control and Warning Squadron, 18 June 1953 – 14 June 1955 4926th Test Squadron Re-designated: 1211th Test Squadron, 1 April 1953 – 8 June 1963 Assets assigned to: 58th Weather Reconnaissance Squadron, 1 February 1964 – 1 July 1974 697th Aircraft Control and Warning Squadron, 8 December 1956 – 21 February 1957 4950th Test Group, 1 September 1956 – 16 August 1961 612th Aircraft Control and Warning Squadron, 8 March 1957 – 12 February 1958 57th Weather Reconnaissance Squadron 16 February 1962 – 13 September 1963 Air Force Weapons Laboratory Re-designated: Air Force Research Laboratory, 1 May 1963 – present 4900th Test Group (Flight Test) Re-designated: 4900th Flight Test Group, 1 August 1970 – 1 April 1976 Air Force Test and Evaluation Center Re-designated: Air Force Operational Test and Evaluation Center, 11 December 1973 – present 1550th Aircrew Training and Test Wing Re-designated: 1550th Combat Crew Training