U.S. Air Force Tech. Sgt. Leonard Gajewski, a crew chief assigned to the 169th Aircraft Maintenance Squadron, performs a tire change on an F-16 Fighting Falcon fighter jet on the flight line at McEntire Joint National Guard Base, S.C., Feb. 19, 2016.  Due to regular flying operations, tires on an F-16 are replaced every two to three weeks. (U.S. Air National Guard photo by Senior Airman Ashleigh Pavelek)
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2016-02-19 04:11
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