PAST AND PRESENT Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, prepares to address the audience at the National Defense University change-of-presidency ceremony in Washington, D.C., July 10, 2009. Navy Vice Adm. Ann E. Rondeau, left, relieved Marine Corps Lt. Gen. Frances C. Wilson, right, as the 13th president of the university. SHARE: Download: Full Size (0.05 MB) Credit: VIRIN: 104215-X-PJL03-847.jpg Photo Gallery