PMEL
Staff Sgt. Javario Mathis, 31st Maintenance Squadron precision measurement equipment laboratory technician, calibrates a leak detection panel April 20. The leak detection panel is critical in testing pressurized munitions assets in the wing and is calibrated every five months. PMEL technicians inspect, troubleshoot, repair, align, calibrate and certify physical and dimensional test, measurement, and diagnostic equipment that are particular to weapon systems and aircraft. (U.S. Air Force photo/Airman 1st Class Ashley Wood)