HANDSHAKE HELLO U.S. Navy Adm. James A. Winnefeld Jr., vice chairman of the Joint Chiefs of Staff, shakes hands with a boy after a USO concert in Naples, Italy, March 3, 2015. Winnefeld is hosting a USO tour to provide cheer for troops serving around the world. The tour runs through March 9, 2015. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 352973-D-VOU08-470.jpg Photo Gallery