Airman 1st Class Hunter Laub, a 494th Fighter Squadron Aircraft Maintenance Unit crew chief, performs routine maintenance on an F-15E Strike Eagle at RAF Lakenheath, United Kingdom, June 10, 2020. Crew chiefs are tasked with keeping aircraft in top flying condition to ensure the unit is always ready to deliver air combat capabilities to the fight when called upon by U.S. Air Forces in Europe-Air Forces Africa. (U.S. Air Force photo by Airman 1st Class Jessi Monte)