Crew chief conducts pre-flight checks
Staff Sgt. James Heywood, a crew chief with the 451st Expeditionary Aircraft Maintenance Squadron at Kandahar Airfield, Afghanistan conducts pre-flight checks on an F-16 fighter jet April 15, 2012, after its arrival to KAF. SSgt. Heywood is deployed from the 169th AMXS at McEntire Joint National Guard Base, S.C., in support of Operation Enduring Freedom. Swamp Fox F-16s, pilots, and support personnel began their air and space expeditionary force deployment early April to take over flying missions for the air tasking order and provide close air support for troops on the ground in Afghanistan. (U.S. Air Force photo/Tech. Sgt. Caycee Cook)