U.S. Navy Adm. James A. Winnefeld Jr., center, the vice chairman of the Joint Chiefs of Staff, attends the Baltimore Orioles' opening day game against the Boston Red Sox at Camden Yards in Baltimore March 31, 2014. Winnefeld was invited to throw out the ceremonial first pitch for the game. (DoD photo by Staff Sgt. Sean K. Harp, U.S. Army/Released)