Troop Talk Marine Corps Gen. Joe Dunford, chairman of the Joint Chiefs of Staff, and Army Sgt. Maj. John W. Troxell, not pictured, senior enlisted advisor to the chairman of the Joint Chiefs of Staff, speak to Marine security guards assigned to the U.S. Embassy in Tel Aviv, Israel, May 8, 2017. DoD photo by Navy Petty Officer 2nd Class Dominique A. Pineiro SHARE: Download: Full Size (1.47 MB) Credit: Dominique A. Pineiro VIRIN: 170508-D-PB383-500L.JPG Photo Gallery