U.S. Service members run up to U.S. Army Maj. Gen. Robert M. Dyess, during the Joint Base Langley-Eustis annual holiday run, at Fort Eustis, Va., Dec. 11, 2015. Throughout the run, units ran in formations to foster teamwork and esprit de corps. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)