A Bulgarian Army parartrooper receives instructions just prior to static line parachuting from a C-130J, during Operation Thracian Fall 2011, Oct. 19, 2011, Plovdiv, Bulgaria. OTF11 is off-station training designed to enhance interoperability between U.S. and Bulgarian Air Forces as well as build partnerships with paratroopers from both. (U.S. Air Force photo by Senior Airman Stephen J. Otero)