Standardizing wingmanship: 19th MXS PMEL
U.S. Air Force Senior Airman Tanner Peck, 19th Maintenance Squadron precision measurement equipment laboratory journeyman, generates the three states of water simultaneously at Little Rock Air Force Base, Arkansas, May 16, 2019. PMEL receives numerous pieces of equipment for numerous calibrations, such as pressure, torque, voltage, resistance or frequency. (U.S. Air Force photo by Airman 1st Class Kristine M. Gruwell)