12th SWS change of command
THULE AIR BASE, Greenland – Col. David Miller Jr., 21st Operations Group commander, passes the 12th Space Warning Squadron guidon to Lt. Col. Jason Resley during the 12th SWS change of command ceremony here June 19. Resley assumed command from Lt. Col. Kelly Easler. The 12th SWS is a unit of the 21st Space Wing that provides missile warning of Intercontinental Ballistic Missile and Sea Launched Ballistic Missile attacks against the continental United States and Canada. The unit also tracks on-orbit spacecraft and provides mid-course interception data in support of United States Strategic Command, the Joint Space Operations Center, and the Missile Defense Agency. (U.S. Air Force photo)