JOINT BASE LEWIS-MCCHORD, Wash. -- U.S. Air Force Airmen with the 62d Maintenance Squadron precision measurement equipment laboratory, calibrate and repair measurement and diagnostic equipment at Joint Base Lewis-McChord, Washington, Jan. 22, 2025. PMEL Airmen receive numerous pieces of equipment requiring calibration for pressure, torque, voltage, resistance or frequency. Their attention to detail and precision ensures equipment is reliable and accurate for the safety and success in executing today’s global airlift mission.