NATO forces partner for Thracian Summer
Staff Sgt. Jordan Callahan, 37th Airlift Squadron loadmaster, drops a cargo-delivery system out of a C-130J Super Hercules over Plovdiv, Bulgaria during exercise Thracian Summer 2016, July 20, 2016. Through Exercise Thracian Summer, the United States and Bulgaria will enhance their mutual abilities to work together, with other NATO nations and with key regional partners on regional security, and help prepare Bulgaria for potential future operations in support of contingency operations around the world. The U.S. values the shared commitment and close cooperation with Bulgaria and other NATO allies on countering a range of regional and global threats. (U.S. Air Force photo/Senior Airman Nicole Keim)