Chairman of the Joint Chiefs of Staff Adm. Mike Mullen, U.S. Navy, speaks with U.S. Ambassador to South Korea Kathleen Stephens and Commanding General of U.S. Forces Korea U.S. Army Gen. Walter "Skip" Sharp during meetings in Seoul, Republic of South Korea, on Dec. 8, 2010. Mullen traveled to Korea to meet with defense officials there reassuring the strength of the U.S.-South Korean alliance in light of recent tensions with the north.