A phase to success
48th Maintenance Group maintainers mount a gatling gun on an F-15E Strike Eagle during a phase inspection at Royal Air Force Lakenheath, England, Jan. 10, 2019. Various parts of the F-15 are regularly inspected for discrepancies, big and small, ensuring the aircraft can perform as good as new. (U.S. Air Force photo by Senior Airman Malcolm Mayfield)