PMEL unites for certification
U.S. Air Force Chief Master Sgt. Jason Perry, Air Combat Command functional manager, left, presents Senior Airman Joshua Kilpatrick, the 20th Component Maintenance Squadron (CMS) physical dimensional technician, with the Air Force Metrology and Calibration (AFMETCAL) certificate at Shaw Air Force Base, South Carolina, Dec. 5, 2019. After two years of system changes and building renovations, the 20th CMS Precision Measurement Equipment Laboratory became certified. (U.S. Air Force photo by Airman 1st Class Kaitlyn Brewer)