MULLEN WELCOMED U.S. Army Gen. David H. Petraeus, left, commander of U.S. Central Command, welcomes U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, to 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 leadership. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 649376-H-JXO72-849.jpg Photo Gallery