A crew chief from the 123rd Expeditionary Fighter Squadron marshals an F-15 Eagle fighter aircraft at Kecskemet Air Base, Hungary, Sept. 3, 2015. Four Oregon Air National Guard F-15s forward deployed to Hungary from Campia Turzii, Romania, as part of Operation Atlantic Resolve, improving interoperability between NATO allies and ensuring the continued stability of the region. (U.S. Air Force photo/Staff Sgt. Chad Warren)