U.S. Air Force Brig. Gen. "Hertz" Vaughan walks the flight line at Graf Ingatievo Air Base with Bulgarian Brig. Gen. "Hunter" Rusev, base commander, on June 7, 2022. The two fighter pilots toured the Soviet-era fighter jet flying operation and discussed Bulgaria's transition to the NATO interoperable F-16 fighter jet.
By Courtesy photo, United States European CommandSOFIA, BulgariaJun 10, 2022