Thousands of Service Members, Police, First Response personnel and other volunteers participate in the 57th Presidential Inauguration parade along Pennsylvania Avenue from the U.S. Capitol to the White House in Washington, D.C., Jan. 21, 2013. (U.S....

U.S. Army Maj. Gen. Michael S. Linnington, commanding general of Joint Task Force-National Capital Region, leads the senior service representatives at the head of the Presidential Escort, accompanying President Barack Obama from the U.S. Capitol to t...

U.S. Army Maj. Gen. Michael S. Linnington, commanding general of Joint Task Force-National Capital Region, leads the senior service representatives at the head of the Presidential Escort, accompanying President Barack Obama from the U.S. Capitol to t...

U.S. Army Soldiers from the U.S. Army Band "Pershing's Own", perform during the Presidential Inauguration Parade along Pennsylvania Avenue starting at the U.S. Capitol to the White House in Washington, D.C., Jan. 21, 2013. (U.S. Army photo by Staff ...

U.S. Army Soldiers from the U.S. Army Band "Pershing's Own", perform during the Presidential Inauguration Parade along Pennsylvania Avenue starting at the U.S. Capitol to the White House in Washington, D.C., Jan. 21, 2013. (U.S. Army photo by Staff ...

U.S. Army Soldiers from the 3rd Infantry Regiment "The Old Guard" participate in the Presidential Inauguration Parade in Washington, D.C., Jan. 21, 2013 along Pennsylvania Avenue from the U.S. Capitol to the White House. (U.S. Army photo by Staff Sg...

U.S. Army Soldiers from the 3rd Infantry Regiment "The Old Guard" participate in the Presidential Inauguration Parade in Washington, D.C., Jan. 21, 2013 along Pennsylvania Avenue from the U.S. Capitol to the White House. (U.S. Army photo by Staff Sg...

U.S. Army Soldiers from the 3rd Infantry Regiment "The Old Guard" participate in the Presidential Inauguration Parade in Washington, D.C., Jan. 21, 2013 along Pennsylvania Avenue from the U.S. Capitol to the White House. (U.S. Army photo by Staff Sg...

U.S. Army Soldiers from the Old Guard's Fife and Drum Corps perform during the Presidential Inauguration Parade in Washington, D.C., Jan. 21, 2013 along Pennsylvania Avenue from the U.S. Capitol to the White House. (U.S. Army photo by Staff Sgt. Tedd...

U.S. Army Soldiers from the Old Guard's Fife and Drum Corps perform during the Presidential Inauguration Parade in Washington, D.C., Jan. 21, 2013 along Pennsylvania Avenue from the U.S. Capitol to the White House. (U.S. Army photo by Staff Sgt. Tedd...

U.S. Army Soldiers from the 3rd Infantry Regiment "The Old Guard" march along Pennsylvania Avenue from the U.S. Capitol to the White House during the Presidential Inauguration Parade in Washington, D.C., Jan. 21, 2013. (U.S. Army photo by Staff Sgt....

U.S. Army Soldiers from the U.S. Army Field Band perform during the Presidential Inauguration Parade along Pennsylvania Avenue starting at the U.S. Capitol to the White House in Washington, D.C., Jan. 21, 2013. (U.S. Army photo by Staff Sgt. Teddy W...

U.S. Army Lt. Col. Shane Morgan leads paratroopers from the 82nd Airborne during the Presidential Inauguration Parade in Washington, D.C., Jan. 21, 2013 along Pennsylvania Avenue from the U.S. Capitol to the White House. Morgan is the commander of th...

U.S. Army Soldiers, members of the Caisson platoon of the 3d United States Infantry "The Old Guard", ride their horses during the Presidential Inauguration Parade in Washington, D.C., Jan. 21, 2013 along Pennsylvania Avenue from the U.S. Capitol to t...

U.S. Army Soldiers, members of the Caisson platoon of the 3d United States Infantry "The Old Guard", ride their horses during the Presidential Inauguration Parade in Washington, D.C., Jan. 21, 2013 along Pennsylvania Avenue from the U.S. Capitol to t...

U.S. Army Soldiers, members of the Caisson platoon of the 3d United States Infantry "The Old Guard", ride their horses during the Presidential Inauguration Parade in Washington, D.C., Jan. 21, 2013 along Pennsylvania Avenue from the U.S. Capitol to t...