Pilot and crew chief pre-flight
Staff Sgt. Kevin Bliem, a crew chief with the 455th Expeditionary Aircraft Maintenance Squadron, and Lt. Col. Thomas Fennell, a pilot with the 103rd Expeditionary Fighter Squadron, perform final pre-flight checks prior to a close air support mission at Bagram Air Field, Afghanistan, Sept. 12. Sergeant Bliem and Colonel Fennell are both Pennsylvania Air National Guardsmen deployed from the 111th Fighter Wing. (U.S. Air Force photo by Staff Sgt. Rachel Martinez/Released)