Raising the bar
Staff Sgt. Gerald Johnson, 31st Maintenance Squadron, a test, measurement and diagnostic equipment technician uses an electronic height guage to calibrate a metal fixture of an F-16 Fighter Falcon.Precision Measurement Equipment Laboratory troops support more than 5,950 different types of equipment such as spectrum analyzers, torque wrenches, and pressure gauges, by thoroughly fine-tuning them to meet the four criteria of accuracy, reliability, traceability and safety. (U.S. Air Force photo/Senior Airman Taylor L. Marr)