Israeli Chief of Defense Lt. Gen. Gantz briefs Chairman of the Joint Chiefs of Staff Gen. Dempsey Israeli Chief of Defense Lt. Gen. Benny Gantz, second from left, briefs Chairman of the Joint Chiefs of Staff Gen. Martin E. Dempsey, second from right, about aspects of the Iron Dome at a military installation in Israel on Oct. 30, 2012. Dempsey is in Israel to meet with senior leaders and to observe Exercise Austere Challenge 2012, the largest U.S.-Israeli military exercise to date. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 614563-R-DHA38-320.jpg Photo Gallery