Before conversion to provisional status, the 1st Space Control Squadron' was a space situational awareness unit last located at Vandenberg Air Force Base, California. The squadron commanded the United States Space Surveillance Network to detect, track, identify and catalog positional data for all human-made objects in Earth orbit. The squadron was established in 1989 as the 1st Command and Control Squadron at Cheyenne Mountain Air Force Base, Colorado. It was inactivated in 2008 and its personnel and equipment were integrated into the 614th Air and Space Operations Center.[citation needed]
The Air Force activated the 1st Command and Control Squadron at Cheyenne Mountain Air Force Station, Colorado in December 1989 to operate the system.[1] The 1st Command and Control Squadron provided collision avoidance support during each shuttle mission as well as maintaining an extensive satellite catalog (the "SATCAT" or "Box score").[3] This catalog is used by U.S. civilian and military agencies when launching new satellites into space, as well as by U.S. allies.[4]
The 1 SPCS tracked and compiled positional data on thousands of man-made objects in space partly to prevent collisions between newly launched satellites and other objects already orbiting the Earth. Additionally, the unit had the mission to task 30 space sensors within Space Surveillance Network to track satellites for US Strategic Command (USSTRATCOM) to maintain an accurate satellite catalog (SATCAT) of over 9000 objects orbiting the Earth.,[5][6] To support crewed space flight, 1 SPCS constructs a theoretical box around the Space Shuttle, MIR or ISS, and projects flight path intersections for 36 to 72 hours. If any objects intersects the theoretical box, the unit forwarded the analysis to NASA, allowing them to determine whether to change the spacecraft/space station's flight path. Based on 1 SPCS mission analysis, and its predecessor units, NASA has moved the Space Shuttle 12 times and the International Space Station five times since 1981.[7] In June 1995, the unit tracked the U.S. Space Shuttle Atlantis during its historic rendezvous with the Russian space station Mir. The unit also compiled a catalog of space objects.[8][9]
The 1 SPCS also contained international personnel, such as Canadian military, since SSA was not just a U.S. problem.[6]
Move
In 2006, Admiral Timothy Keating, commander of NORAD directed a study on the continued use of the hardened command post at Cheyenne Mountain in view of what was perceived as diminished threats.[10] The decision to close Cheyenne Mountain required a unit move. The unit moved to Vandenberg Air Force Base, California in 2007 to better coordinate activities with the Joint Space Operations Center, it lost over 150 years of expert civilian experience.[11]