C-130 aircraft arrive in Bulgaria for Thracian Summer 2021
U.S. Air Force Staff Sgt. David Roger, 86th Aircraft Maintenance Squadron crew chief, marshals a C-130J Super Hercules aircraft to its parking spot during Thracian Summer 2021 at Plovdiv Airport, Bulgaria, Aug. 23, 2021. Continual field training exercises and interactions between allied and partner forces, such as Thracian Summer, allow U.S. and Bulgarian forces to work together as a team to address security threats in and beyond Europe, and enable all participants to contribute to international coalitions. (U.S. Air Force photo by Senior Airman Branden Rae)