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PMEL keeps mission on track
March 22, 2017
U.S. Air Force Senior Airman Ruben Mejia, 1st Maintenance Squadron precision measurement equipment laboratory technician, uses an optical flat and a chromatic light to quality check a gauge block at Joint Base Langley-Eustis, Va., March 17, 2017. Twenty-three Airmen and civilians work together each day to tackle the responsibility of calibrating approximately 5,100 pieces of equipment, ranging from torque wrenches, to equipment used to calibrate F-22 landing gear. (U.S. Air Force photo/Senior Airman Areca T. Bell)