U.S. Air Force Chief Master Sgt. Jason Gioconda, right, reviews egress procedures with Bulgarian air force MiG-29 pilot, Capt. Martin Vetov, before his familiarization flight in an F-16D Fighting Falcon at Graf Ignatievo Air Base, Bulgaria, July 13, 2015. Gioconda is an aircrew flight equipment superintendent assigned to the New Jersey Air National Guard's 177th Fighter Wing. U.S. Air Force Chief Master Sgt. Jason Gioconda, right, reviews egress procedures with Bulgarian air force MiG-29 pilot, Capt. Martin Vetov, before his familiarization flight in an F-16D Fighting Falcon at Graf Ignatievo Air Base, Bulgaria, July 13, 2015. Gioconda is an aircrew flight equipment superintendent assigned to the New Jersey Air National Guard's 177th Fighter Wing. SHARE: Download: Full Size (1.931648 MB) Tags: Photo Essays Credit: VIRIN: 994176-C-KPA06-383.jpg Photo Gallery