PMEL Airmen
Airman 1st Class Kayleigh McGill, 8th Maintenance Squadron precision and measurement equipment laboratory apprentice, receives hands-on training with a resistance standard from Senior Airman Kenny Warren, 8th MXS PMEL journeyman, during her upgrade training at Kunsan Air Base, Republic of Korea, Jan. 5, 2012. Precision and measurement equipment laboratory specialists are responsible for calibrating equipment used in virtually every phase of maintenance for nearly every piece of equipment the Air Force operates. (U.S. Air Force photo by Senior Airman Brittany Y. Auld/Released)