Senior Airman Jeremiah Robinson, Precision Measurement Equipment Laboratory journeyman, tests an altitude airspeed calibrator. The PMEL is preparing for an audit by the Air Force Metrology and Calibration Program Jan. 22 to Jan. 30. The audit will evaluate six categories including technicians’ competence, the quality system, facility and environment, and will certify the Air Force’s largest laboratory procedures and measurements for two more years. (U.S. Air Force photo by 1st Lt. Lindsey Hahn)
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