The 91st Space Wing is a unit of the United States Air Force, specifically part of the U.S. Space Command and the Air Force Space Command. Based at Peterson Air Force Base in Colorado Springs, Colorado, it provides support for the GPS constellation of satellites as well as other space-based systems. The wing’s mission is primarily focused on the operational control and protection of these satellites, ensuring their continuous operation to provide precise positioning, navigation, and timing services worldwide. The 91st Space Wing’s activities contribute significantly to global navigation, military operations, and civilian applications such as aviation, agriculture, and emergency response services.