Forces, 16 April 1946 – 21 March 1946 Strategic Air Command, 21 March 1946 – 1 December 1946 Air Materiel Command, 1 December 1946 – 1 December 1949 Air Force Special Weapons Command, 1 December 1949 – 1 April 1952 Air Research and Development Comd, 1 April 1952 – 1 April 1961 Air Force Systems Command, 1 April 1961 – 1 July 1977 Military Airlift Command, 1 July 1977 – 1 July 1992 Air Force Materiel Command, 1 July 1992 – 1 October 2015 Air Force Global Strike Command, 1 October 2015 – present Major units assigned 3d Air Base Squadron *, 10 April 1941 – 30 April 1944 Air Corps Advanced Flying School Re-designated: Army Air Forces Advanced Flying School Re-designated: Army Air Forces Bombardier School, 22 December 1941 – 28 February 1945 301st Bombardment Group, 27 May-17 June 1942 303d Bombardment Group, 12 June-7 August 1942 Army Air Forces Glider Replacement Center, 22 July 1942 – 22 May 1943 37th Flying Training Wing, 10 September 1943 – 31 January 1945 392d Bombardment Group, 18 March-18 July 1943 400th Bombardment Group, 19 September-11 December 1943 449th Bombardment Group, 5 July 1943 – 25 January 1944 460th Bombardment Group, 1 July-10 September 1943 466th Bombardment Group, 1 August 1943 – 2 February 1944 487th Bombardment Group, 15 December 1943 – 10 March 1944 492d Bombardment Group, 1 October 1943 – 1 January 1944 Army Air Forces Pilot School (Specialized Four-Engine), 2 August 1943 – 28 February 1945 418th Bombardment Group, 11 March-1 April 1944 3004th Army Air Forces Base Unit, 1 May 1944 – 26 February 1945 3007th Army Air Forces Base Unit *, 1 May 1944 – 28 February 1945 4029th Army Air Forces Base Unit, 1 May-24 August 1944 237th Army Air Forces Base Unit *, 1 March 1945 – 31 January 1946 467th Bombardment Group, 24 August-8 September 1945 492d Bombardment Group, 17 August-17 October 1945 4160th Army Air Forces Base Unit, 15 January-1 November 1945 428th Army Air Forces Base Unit * Re-designated: 428th Air Force Base Unit Re-designated: 2758th Experimental Wing Re-designated: 4901st Special Weapons Wing Re-designated: Air Force Special Weapons Command Re-designated: Air Force Special Weapons Center, 1 February 1946 – 1 April 1976 Re-designated: Nuclear Weapons Center, 14 February 2006 Re-designated: Air Force Nuclear Weapons Center, 28 February 2008 – present 636th Aircraft Control and Warning Squadron, 15 September 1948 – 8 December