U.S. Air Force TSgt Arriel Bromley, 78th Aerial Refueling Squadron in-flight refueler, out of McGuire Air Force Base, New Jersey, operates the fuel injection arm of an KC-10 Extender connected to an F-35 Lightning II for a mid-air refueling training mission during Astral Knight 19 over the Adriatic Sea, June 3, 2019. Astral Knight is a joint, multinational exercise taking place throughout various locations in Europe, with more than 900 Airmen participating in the exercise. (U.S. Air Force photo by Staff Sgt. Joshua R. M. Dewberry)