U.S. Army Col. Ralph L. Clayton, 733rd Mission Support Group commander, leads the Army’s 242nd Birthday Run at Joint Base Langley-Eustis, Va., June 14, 2017. The Army was established June 14, 1775, more than a year before the signing of the Declaration of Independence. (U.S. Air Force photo/Airman 1st Class Kaylee Dubois)