Non-destructive inspection
U.S. Air Force Tech. Sgt. Adrian Castillo, 23d Equipment Maintenance Squadron non-destructive inspection fabrication flight section chief, left, views samples in a microscope as Airman 1st Class Tony Alvizuri, 23d EMS NDI fabrications flight journeyman, prepares a tool for a black lighting inspection, Jan. 12, 2016, at Moody Air Force Base, Ga. Approximately 20 personnel assigned to the unit detect discrepancies in Moody’s aircraft and support equipment. (U.S. Air Force photo by Airman 1st Class Greg Nash/Released)