Lt. Col. Jon Talbot, an aerial weather reconaissance officer assigned to the 53rd Weather Reconaissance Squadron, Keesler Air Force Base, Miss., manually locates coordinates on a map during the classroom portion of combat skills training July 18. Aircew members are required to attend CST, in addition to other survival, evasion, resistance and escape refresher training classes, every three years. (U.S. Air Force photo by Senior Airman Kimberly Erickson)