PENTAGON WELCOME U.S. Defense Secretary Robert M. Gates, center, escorts Afghan Interior Minister Besmillah Khan Mohammadi, left, and Defense Minister Abdul Rahim Wardak, right, through an honor cordon into the Pentagon, Feb. 23, 2011. The two Afghan officials were to meet with Gates and his senior advisors in what officials expect to be regular U.S.-Afghan meetings to sustain a long-term military-to-military relationship. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 732420-B-IWY65-945.jpg Photo Gallery