U.S. Army Spc. Mitchell Keeton, 688th Rapid Port Opening Element, 833rd Transportation Battalion, 597th Transportation Brigade, Defense Travel System technician, stands in formation at Fort Eustis, Va., June 11, 2015. Soldiers stood in formation with their units before an installation-wide run celebrating the Army’s 240th birthday. (U.S. Air Force photo by Senior Airman Kimberly Nagle/Released)