31st Maintenance Squadron
Senior Airman Kyle Black, 31st Maintenance Squadron calibration technician, calibrates an F-16 Fighting Falcon boresight fixture used to align the jet’s sights Feb. 7 at Aviano Air Base, Italy. Calibration technicians gather accurate reliable, repeatable and traceable measurements on any equipment that requires quantitive measure, such as medical equipment, scales, and electrical and aircraft components. (U.S. Air Force Photo/Staff Sgt. Evelyn Chavez)