Bulgarian air force Sgt. Yordanka S. Petrova-Angelova (left) talks with Senior Master Sgt. Andrew Traugot, August 15, 2013, at McGhee Tyson Air National Guard Base, Tenn. Petrova-Angelova graduated from the U.S. Air Force NCO Academy along with Bulgarian Cpl. Stoyko V. Stoykov, who attended Airman Leadership School at around the same time. The bulgarian airmen completed the leadership education this summer as part of relations built through the Tennessee National Guard State Partnership Program. Traugot is the director of education, Satellite EPME at the I.G. Brown Training and Education Center.