The NATO and Bulgarian flags fly inside the main entrance

The NATO and Bulgarian flags fly inside the main entrance of Graf Ignatievo, Bulgaria, Sept. 9, 2016. Four California and Massachusetts Air National Guards’ F-15C Eagle fighter aircraft and approximately 75 Airmen from the 194th Expeditionary Fighter Squadron deployed to Graf Ignatievo, Bulgaria, and will stand ready as interceptors, prepared to quickly react to any violations and infringements for policing of Bulgarian airspace Sept. 9-16, 2016. The squadron forward deployed to Graf Ignatievo from Campia Turzii, Romania, where they serve on a theater security package deployment to Europe as a part of Operation Atlantic Resolve. (U.S. Air Force photo by Staff Sgt. Joe W. McFadden/Released)