AD23
U.S. Air Force Tech. Sgt. Austin Bekkum, a crew chief assigned to the 128th Aircraft Maintenance Squadron, 128th Air Refueling Wing, Wisconsin National Guard, performs maintenance on a KC-135 Stratotanker wing as part of pre-flight procedures during exercise Air Defender 2023 at Keflavik Air Base, Iceland, June 2, 2023. Air Defender 2023, running June 12-23, is the largest air forces redeployment exercise since NATO was founded, integrating both U.S. and allied airpower to defend shared values, while leveraging and strengthening vital partnerships to deter aggression around the world. (U.S. Air National Guard photo by Master Sgt. Kellen Kroening)