DEFENSE TALKS U.S. Ambassador to Saudi Arabia James B. Smith, left, and U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, center, meet with Prince Khalid bin Sultan bin Abdul Aziz al-Saud, Saudi Arabian assistant defense and aviation minister for military affairs, in Riyadh, Saudi Arabia, Feb. 21, 2011. SHARE: Download: Full Size (0.08 MB) Credit: VIRIN: 435976-S-IBY51-979.jpg Photo Gallery