EAST SEA – JULY 27: In this handout from the U.S. Navy, a U.S. Marine Corps C-130 Hercules aircraft leads a formation of F/A-18C Hornet strike fighters and A/V-8B Harrier jets over the aircraft carrier USS George Washington July 27, 2010 off the coast of South Korea. South Korea and the United States are conducting the combined alliance maritime and air readiness exercise “Invincible Spirit” in the seas east of the Korean peninsula from July 25-28, 2010. (Photo by Mass Communication Specialist 3rd Class Charles Oki/U.S. Navy via Getty Images)