U.S. Air Force Airman 1st Class Tony Alviruzi, 23d Equipment Maintenance Squadron non-destructive unit fabrication flight journeyman, inspects a UV-ray radiometer Jan. 12, 2016, at Moody Air Force Base, Ga. Black lighting is used to detect cracks and damage to aircraft components that may not be seen by the naked eye. (U.S. Air Force photo by Airman 1st Class Greg Nash/Released)