An F-35 Lightning II from the Defense Contract Maintenance Agency conducts its first flight and first tanking with a KC-135R Stratotanker from the 465th Air Refueling Squadron, Tinker Air Force Base, Okla., Feb. 24, 2021. Once fully tested, this F-35 will join the fleet at Eielson Air Force Base, Alaska. (U.S. Air Force photo by Senior Airman Mary Begy)