Joint Chiefs Chair Adm. Mullen hands over reigns to Gen. Dempsey in Virginia

U.S. President Barack Obama speaks with Jane Mullen and Chairman of the Joint Chiefs of Staff Adm. Michael Mullen salutes as his grandson stands at his side during the Chairman of the Joint Chiefs of Staff Farewell Review and Change of Responsibility Ceremony at Joint Base Myer-Henderson Hall's Summerall Field in Arlington, Virginia, on September 30, 2011. Navy Adm. Mike Mullen, 17th chairman, Joint Chiefs of Staff, transitioned responsibility to Army Gen. Martin E. Dempsey. UPI/Roger L. Wollenberg