WASHINGTON RAILS U.S. Navy sailors prepare to man the rails as the aircraft carrier USS George Washington departs Busan, South Korea, July 25, 2010. South 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. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 261618-H-CAH71-155.jpg Photo Gallery