Navy Adm. James A. Winnefeld Jr., vice chairman of the Joint Chiefs of Staff, center, poses with USO tour participants after visiting wounded warriors at the Walter Reed National Military Medical Center in Bethesda, Md., March 2, 2015. From left: actor Dennis Haysbert; Indianapolis Colts quarterback Andrew Luck; Pittsburgh Steelers guard David DeCastro; Winnefeld; Miss America Kira Kazantsev; Colts tight end Dwayne Allen; and Colts head coach Chuck Pagano.