Army Gen. Martin E. Dempsey delivers remarks during the chairman of the Joint Chiefs of Staff change of responsibility ceremony at Summerall Field, Joint Base Myer-Henderson Hall, Va., Sept. 30, 2011. Dempsey, the18th chairman of the Joint Chiefs of Staff, succeeded Navy Adm. Mike Mullen, outgoing chairman, during the ceremony.
DOD photo by U.S. Air Force Tech. Sgt. Jacob N. Bailey
Download high resolution image