A crew chief from the 123rd Expeditionary Fighter Squadron, 142nd Fighter Wing, Oregon Air National Guard, communicates to the pilot of an U.S. Air Force F-15C Eagle fighter aircraft during a theater security package deployment Sept. 25, 2015, at Campia Turzii, Romania. The aircraft deployed to Romania in support of Operation Atlantic Resolve to bolster air power capabilities while underscoring the U.S. commitment to European security and stability. (U.S. Air Force photo by Staff Sgt. Christopher Ruano/Released)