Riderless Horse A soldier from the 3rd U.S. Infantry Regiment, known as "The Old Guard," leads a riderless horse during the Memorial Day parade in Washington, D.C., May 27, 2013. The riderless horse carries a soldier's boots reversed in the stirrups. Army photo by Staff Sgt. Teddy Wade SHARE: Download: Full Size (1.3 MB) Credit: Staff Sgt. Teddy Wade VIRIN: 130527-A-AO884-129C.JPG Photo Gallery