PMEL Technicians
Gwen Acor, Precision Measurement Equipment Laboratory technician, calibrates the amperage on an 8100 transconductance amplifier on Barksdale Air Force Base, La., April 24, 2013. The PME lab supports more than 7,500 items of test measurement and equipment used daily on the flightline and in maintenance backshops. (U.S. Air Force photo/Airman 1st Class Andrew Moua)