Viice President Joe Biden, accompanied by MaJ. Gen. Karl R. Horst, commander of the Military District of Washington and the Joint Force Headquarters, National Capitol Region, salute at the playing of Taps by the lone bugular during Memorial Day Ceremonies, May 31, 2010, at the Tomb of the Unknowns, Arlington National Cemetery. Standing in the background at left is Deputy Secretary of Defense William J. Lynn III, host for the ceremony. Viice President Joe Biden, accompanied by MaJ. Gen. Karl R. Horst, commander of the Military District of Washington and the Joint Force Headquarters, National Capitol Region, salute at the playing of Taps by the lone bugular during Memorial Day Ceremonies, May 31, 2010, at the Tomb of the Unknowns, Arlington National Cemetery. Standing in the background at left is Deputy Secretary of Defense William J. Lynn III, host for the ceremony. SHARE: Download: Full Size (1.01 MB) Tags: Photo Essays Credit: VIRIN: 620435-R-VGB42-727.jpg Photo Gallery