Airman 1st Class Jordan Barker, 56th Component Maintenance Squadron precision measurement equipment laboratory technician, and Tech. Sgt. Miguel Ruiz, 56th CMS noncommissioned officer-in-charge of production control, simulate a test measurement diagnostic equipment procedure Jan. 24, 2017, at Luke Air Force Base, Ariz. The TMDE is used to create a job control number which is the beginning stages of getting an item recalibrated.(U.S. Air Force photo by Airman 1st Class Pedro Mota)