U.S. Air Force Capt. Andrew Schnell, 435th Contingency Response Squadron assistance director of operations, walks off the plane May 11, 2021, after arriving to Cheshnegirovo Air Base, Bulgaria to support Swift Response 21. As part of the exercise, approximately 30 members with the 435th Contingency Response Group arrived to the air base to take over airfield operations after paratroopers with the 173rd Airborne Brigade arrived hours prior. (U.S. Air Force photo by Master Sgt. David W. Carbajal)