BUSAN, Republic of Korea (July 24, 2010) Lt. Cmdr. Sang Ki Shin, middle left, air boss of the Republic of Korea Navy amphibious landing ship Dokdo (LPH 6111), points out different combat systems to Lt. James Furman, from Austin, Texas, the assistant strike officer of the aircraft carrier USS George Washington (CVN 73), middle right, during a tour of Dokdo. The Republic of Korea and the United States are scheduled to conduct the combined alliance maritime and air readiness exercise "Invincible Spirit" in the seas east of the Korean peninsula from July 25-28, 2010. This is the first in a series of joint military exercises that will occur over the coming months in the East and West Seas. (U.S. Navy photo by Chief Mass Communication Specialist John M. Harrington/Released)