HORSE PREPARATION A U.S. Army soldier assigned to the 1st Infantry Division Commanding General's Mounted Color Guard, Fort Riley, Kan., prepares his horse to participate in the 56th Presidential Inauguration in Washington, D.C., Jan. 20, 2009. More than 5,000 men and women in uniform are providing military ceremonial support to the presidential inauguration, a tradition dating back to George Washington's 1789 inauguration. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 629704-B-APY42-042.jpg Photo Gallery