Alabama Air National Guard Staff Sgt. Brandon Blackburn marshals an F-16 Fighting Falcon to the End of Runway (EOR) during night flying operations at Dannelly Field Air National Guard Base, Ala., Feb. 26, 2014. The EOR is used for final system checks of the F-16 before the aircraft takes off. (U.S. Air Force photo by Tech. Sgt. Matthew Garrett)