Vice President Biden participates in the crossover ceremony during halftime at the 113th Army-Navy football game (December 8, 2012)

Vice President Joe Biden participates in the ceremonial crossover with General Dempsey, Lt. General Huntoon, Admiral Michael Miller, and Secretary of the Navy Ray Maybus, during halftime at the 113th Army-Navy football game at Lincoln Financial Field in Philadelphia, Pennsylvania, Dec. 8, 2012. (Official White House Photo by David Lienemann)