Airman 1st Class Alexis Kogel, 4th Component Maintenance Squadron test, measurement and diagnostic equipment technician, inserts a pressure value into a pressure controller, Nov. 19, 2015, at Seymour Johnson Air Force Base, North Carolina. Even when the jets aren’t flying, the Airmen of the precision measurement equipment lab work around-the-clock to service equipment for F-15E Strike Eagles and other base entities. (U.S. Air Force photo/Airman Shawna L. Keyes)