Staff Sgt. Zachary Maser, 169th Aircraft Maintenance Squadron crew chief, 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 participating in a certified readiness evaluation that assesses a unit's ability to operate safely and efficiently in a deployed environment. (U.S. Air Force photo by Tech. Sgt. Caycee Watson/Released)
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