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Combat Shield 2013

U.S. Air Force Senior Airmen Robert Tucker (left) and Earl Sale, with the 495th Fighter Group, Det. 157, 169th Aircraft Maintenance Squadron avionics shop at McEntire Joint National Guard Base, South Carolina Air National Guard, set up the Joint Service Electronic Combat Systems Tester to an F-16 Fighting Falcon, Dec. 11, 2013. The JSECST is a 180-day preventative maintenance practice that performs a confidence test of the radar threat warning system in the jet. (U.S. Air National Guard photo by Tech. Sgt. Caycee Watson/Released)

PHOTO BY: Tech. Sgt. Caycee WatsonReleased
VIRIN: 131211-Z-WT236-011.JPG
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