Air Force Photos

Staff Sgt. Zachary Maser cleans and inspects an F-16 Fighting Falcon for regeneration Sept. 8, 2013, at McEntire Joint National Guard Base, S.C. Members of the 169th Fighter Wing are beginning a certified readiness evaluation, or CRE, with aircraft regeneration and acceptance. The CRE assesses a unit's ability to operate safely and efficiently in a deployed chemical combat environment. Maser is a crew chief with the 169th Aircraft Maintenance Squadron for the South Carolina Air National Guard. (U.S. Air National Guard photo/Tech. Sgt. Caycee Watson)