Navy Adm. Mike Mullen and his wife, Deborah, greet retired Sen. John W. Warner of Virginia at the Center for the Study of the Presidency and Congress awards dinner March 24, 2011, in Washington, D.C. Mullen accepted the Dwight D. Eisenhower Award for excellence on behalf of the U.S. Armed Forces at the dinner. Mullen is the chairman of the Joint Chiefs of Staff. (DOD photo/Navy Petty Officer 1st Class Chad J. McNeeley)