U.S. Air Force Airman 1st Class Mariia Shevchenko, 86th Maintenance Squadron precision measurement equipment laboratory apprentice, runs calibration testing on a laptop at a PMEL facility at Ramstein Air Base, Germany, Feb. 26, 2021. During her short time as a calibration technician for PMEL, Shevchenko has expertly serviced 45 test equipment assets in support of six Wings across three Commands. (U.S. Air Force photo by Senior Airman Milton Hamilton)