'MOST POWERFUL' CNN's Kyra Phillips interviews Army Gen. Ann Dunwoody, second left, commanding general of the Materiel Command, Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, and Navy Vice Adm. Ann Rondeau, right, president of the National Defense University, at Fortune magazine's Most Powerful Women summit in Washington, D.C., Oct. 6, 2010. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 068860-H-IAI99-086.jpg Photo Gallery