CHIEFS' GREETING U.S. Navy Adm. Mike Mullen, left, chairman of the Joint Chiefs of Staff, greets Afghan Gen. Bismillah Mohammadi Khan, chief of the General Staff, upon his arrival at the 3rd Annual U.S. Central Command Chiefs of Defense Conference, Washington, D.C., Jan. 25, 2010. The three-day event brings Central and South Asian chiefs of defense together for high-level dialogue with U.S. military leaders. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 306923-L-WBF58-667.jpg Photo Gallery