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Tech. Sgt. Preston Caldwell, 379th Aircrew Flight Equipment C-130 Hercules technician, prepares night vision goggles to be tested on an ANV-126A Test Set Aug. 21, 2012. Caldwell, and other C-130 technicians, conduct routine inspections on all equipment the crew requires during their mission. He is deployed from Dobbins Air Reserve Base, Ga., and is a native of Florala, Ala. (U.S. Air Force photo by Senior Airman Bryan Swink)
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