GPS IIR (image courtesy of Lockheed-Martin) 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.

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.

GPSOC Contact Information

300 O'Malley Avenue Suite 41
Colorado Springs, CO 80912-3041

Phone: 719-567-2541

Https link:
E-mail: click here


Military Users: Contact the GPS Operations Center at 719-567-2541, DSN 560-2541.

Civilian Users: Contact the U.S. Coast Guard Navigation Center at 703-313-5900 or visit

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