to an urban training compound. Previous names, commands, and assignments Established as North Field, December 1944 (station became operational on 3 February 1945) North Field AB Command, 9 May 1946 North Army Air Base, 20 December 1947 North Air Force Base, 1 March 1948 North Guam Air Force Base, 22 April 1948 North Field Air Force Base, 1 February 1949 North Guam Air Force Base, 1 March 1949 Andersen Air Force Base, 7 October 1949–present Became part of Joint Region Marianas, 1 October 2010–present Major commands assigned Twentieth Air Force, 3 February 1945 Far East Air Force, 15 May 1949 Strategic Air Command, 1 April 1955 Pacific Air Forces, 1 October 1989 Major units assigned 314th Bombardment Wing, 16 January 1945 – 15 May 1946 19th Bombardment Group, 16 January 1945 – 1 June 1953 29th Bombardment Group, 17 January 1945 – 20 May 1946 39th Bombardment Group, 18 February – 17 November 1945 330th Bombardment Group, 18 February – 17 November 1945 19th Air Refueling Group, North Army Air Base Command (Provisional), 20 December 1947 – 17 August 1948 North Guam Air Force Base Command (Provisional), 15 May 1946 – 24 August 1948 19th Bombardment Wing, 10 August 1948 – 1 June 1953 54th Strategic Reconnaissance Squadron, 21 February 1951 – 18 March 1960 6319th Air Base Wing, 1 June 1953 – 1 April 1955 3d Air Division, 18 June 1954 – 1 April 1970 92d Bombardment Wing, 16 October 1954 – 12 January 1955 509th Bombardment Wing, 10 July – 8 October 1954 6th Bombardment Wing, 14 January – 12 April 1955 3960th Air Base Wing, 1 April 1955 – 1 April 1970 5th Bombardment Wing, 14 January – 12 April 1955 99th Bombardment Wing, 29 January – 25 April 1956 303d Bombardment Wing, 12 July – 4 October 1956 41st Fighter-Interceptor Squadron, 5 August 1956 – 8 March 1960 320th Bombardment Wing, 5 October 1956 – 11 January 1957 327th Air Division, 1 July 1957 – 8 March 1960 605th Military Airlift Support Squadron, 27 December 1965 Redesignated: 605th Airlift Support Squadron, 8 January 1966 Redesignated: 734th Air Mobility Squadron, 1 June 1992 – present 4133d Bombardment Wing (Provisional), 1 February 1966 – 1 July 1970 43d Strategic (later Bombardment) Wing, 1 April 1970 – 30 September 1990 633d Air Base Wing, 1 October 1989 – 1 October 1994 36th Air Base Wing, 1 October 1994 Redesignated: