TOKYO EMBASSY U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, addresses the media at the U.S. Embassy in Tokyo, on Dec. 9, 2010. Mullen is in Japan to discuss how to better leverage its military expertise and improve defense cooperation in light of North Korean aggression. SHARE: Download: Full Size (0.07 MB) Credit: VIRIN: 839934-U-TFO01-230.jpg Photo Gallery