EAST SEA (July 26, 2010) U.S. Air Force aircraft fly over a formation of U.S. and Republic of Korea navy ships during the combined alliance maritime and air readiness exercise "Invincible Spirit." The exercise in the seas east of the Korean peninsula from July 25-28, 2010 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 Mass Communication Specialist 3rd Class Jacob D. Moore/Released)
