A detail of Thayer Hall at the U.S. Military Academy at West Point, N.Y., March 27, 2014, as U.S. Army Gen. Martin E. Dempsey, the chairman of the Joint Chiefs of Staff, visits the academy. Dempsey dined with cadets, visited the Center for the Army Profession and Ethic, taught a class at Lincoln Hall and spoke with seniors in the Thayer Hall auditorium during his visit.