Gen. Ann E. Dunwoody, America's first four-star female general, at the 29th Annual Alexandria, Va., Saint Patrick's Day Parade, Saturday, March 6, 2010. Dunwoody was the parade's Grand Marshall. She assumed the duties as the U.S. Army Materiel Comma...

The 3rd U.S. Infantry Regiment (The Old Guard) Fife and Drum Corps marches down King Street in Old Town, Alexandria during the Saint Patrick's Day Parade on Saturday, March 6, 2010. Founded in 1960, The Old Guard's Fife and Drum Corps is the only uni...

The 3rd U.S. Infantry Regiment (The Old Guard) Fife and Drum Corps marches under the bright sun in Old Town Alexandria during the Saint Patrick's Day Parade.As an official representative of the U.S. Army, the Corps averages approximately 500 performa...