750th Space Group

The United States Air Force's 750th Space Group was a space operations unit located at Onizuka Air Force Station, California. It's predecessor was formed on 1 October 1987; it assumed the designation of the 750th Space Group on 30 January 1992; and it was inactivated on 25 June 1999.
History.
The 750 SG inactivated in June 1999, following the recommendation of the 1995 Base Realignment and Closure Commission. Primary responsibilities for the Air Force Satellite Control Network (AFSCN) mission transferred to the 22d Space Operations Squadron, 50th Operations Group, 50th Space Wing, Schriever AFB, Colorado and Air Force support to Space Shuttle missions transferred to the 21st Space Operations Squadron, 50th Operations Group, 50th Space Wing, which stood up at Onizuka AFS. That squadron also provided a necessary backup for AFSCN operations.