Martin Dempsey

General Martin E. Dempsey, chairman of the Joint Chiefs of Staff, arrives at the headquarters of the National Security Agency in Fort Meade, Maryland, March 28, 2014

General Martin E. Dempsey, chairman of the Joint Chiefs of Staff, arrives at the headquarters of the National Security Agency in Fort Meade, Maryland, March 28, 2014 (DoD/Sergeant Aaron Hostutler)