FRAMED U.S. Air Force Chief Master Sgt. Pablo Valverde ensures the 20mm M61-A1 Gatling gun is functioning properly on an F-16 Fighting Falcon after the pilot of the aircraft made an emergency landing at Baghdad International Airport, Iraq, Nov. 12, 2008. Valverde is assigned to the 447th Air Expeditionary Group. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 053881-C-PUA10-112.jpg Photo Gallery