A California Air National Guard F-15C Eagle remains

A California Air National Guard F-15C Eagle remains parked on the flightline at Graf Ignatievo, Bulgaria, Sept. 7, 2016. Four F-15Cs assigned to the 194th Expeditionary Fighter Squadron will conduct joint NATO air policing missions with the Bulgarian air force to police the host nation’s sovereign 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)