The Global Positioning System is the world's only global utility.
Operated by the dedicated men and women of the 2nd Space Operations Squadron at Schriever Air Force Base, Colo., GPS is also the world's largest military satellite constellation. The 2nd SOPS has three missions: global navigation, time transfer and nuclear detection. Uses of GPS include precise timing for financial transactions, search and rescue, communications, farming, recreation and both military and commercial aviation.
More information on GPS is available at their Web site, gps.afspc.af.mil.
GPS Operations Center
The Global Positioning System Operations Center provides a single center of excellence for user support and GPS constellation operations. The GPSOC, located at Schriever Air Force Base, Colo., provides Department of Defense and allied GPS users worldwide with anomaly reports and other information 24 hours a day, seven days a week.
Military users who need to request information or report an anomaly or outage may contact the GPSOC using the phone number or e-mail address provided in the contact information below. Non-military users should contact the U.S. Coast Guard's Navigation Center at 703-313-5900.
The Global Positioning System is the world's only global utility. 
GPSOC Resources 
