U.S. Navy Adm. Michael G. Mullen, chairman of the Joint Chiefs of Staff, greets U.S. Marines assigned to the U.S. embassy in Islamabad, Pakistan, Feb. 8, 2008. U.S. Navy Adm. Michael G. Mullen, chairman of the Joint Chiefs of Staff, greets U.S. Marines assigned to the U.S. embassy in Islamabad, Pakistan, Feb. 8, 2008. SHARE: Download: Full Size (3.32 MB) Tags: photo essays Credit: VIRIN: 229410-X-GWH84-004.jpg Photo Gallery