CHAIRMAN'S GREETING U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, greets troops during an all-hands call at Collier Field House on U.S. Army Garrison-Yongsan in Seoul, South Korea, Oct. 22, 2009. Mullen visited South Korea for annual military meetings between the allies. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 480750-T-FHW17-510.jpg Photo Gallery