No sight no flight
U.S. Air Force Senior Airman Christian Anthony, an electrical and environmental specialist assigned to the 509th Maintenance Squadron, connects an overhead lighting control unit onto a breakout box at Whiteman Air Force Base, Mo., Aug. 3, 2017. The panel is connected to the breakout box to signal a working electrical current inside the tested component. (U.S. Air Force photo by Senior Airman Jovan Banks)

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Photo by: Senior Airman Jovan Banks |  VIRIN: 170803-F-YG789-0029.JPG