U.S. Army Gen. Martin E. Dempsey, foreground, second from right, the chairman of the Joint Chiefs of Staff, shakes hands with Navy Master Chief Explosive Ordnance Disposal Technician Paul Canen, the officer in charge of the Center for Explosive Ordnance Disposal and Diving Learning Site at Naval Station Great Lakes, Ill., Sept. 5, 2014. Dempsey toured facilities at the naval station during his visit and participated in a town hall meeting with U.S. Service members, civilian personnel and family members.