Air Force Photos

An F-16 Fighting Falcon with the 169th Fighter Wing at McEntire Joint National Guard Base, South Carolina Air National Guard, takes off as one in the foreground taxis, Sept. 9, 2013. Members of the 169th Fighter Wing are conducting the certified readiness evaluation, which assesses their ability to operate safely and efficiently in a deployed chemical combat environment. (U.S. Air National Guard photo/Staff Sgt. Jorge Intriago)