Deck crew members check a helicopter on the flight deck of the Nimitz-class USS George Washington for joint military exercises between the U.S. and South Korea in South Korea's East Sea on Monday, July 26, 2010. U.S. and South Korean warships and helicopters practiced anti-submarine maneuvers off the Korean Peninsula Monday that officers said they hope would serve as a warning to Pyongyang that aggression in the region would not be tolerated. (AP Photo/ Lee Jin-man, Pool)
U.S. fighters take off from the flight deck of the Nimitz-class USS George Washington for joint military exercises between the U.S. and South Korea in South Korea's East Sea on Monday, July 26, 2010. U.S. and South Korean warships and helicopters practiced anti-submarine maneuvers off the Korean Peninsula Monday that officers said they hope would serve as a warning to Pyongyang that aggression in the region would not be tolerated. (AP Photo/ Lee Jin-man, Pool)
A U.S. fighter takes off from the flight deck of the Nimitz-class USS George Washington for joint military exercises between the U.S. and South Korea in South Korea's East Sea on Monday, July 26, 2010. U.S. and South Korean warships and helicopters practiced anti-submarine maneuvers off the Korean Peninsula Monday that officers said they hope would serve as a warning to Pyongyang that aggression in the region would not be tolerated. (AP Photo/ Lee Jin-man, Pool)
A crew member aboard the Nimitz-class USS George Washington works in the Combat Defense Center during joint military exercises between the U.S. and South Korea in South Korea's East Sea on Monday, July 26, 2010. U.S. and South Korean warships and helicopters practiced anti-submarine maneuvers off the Korean Peninsula Monday that officers said they hope would serve as a warning to Pyongyang that aggression in the region would not be tolerated. (AP Photo/ Lee Jin-man, Pool)
A KC-135 Stratotanker from the 909 Air Fueling Squadron of the 18th Wing of the U.S. Air Force, based in Japan's Kadena, conducts aerial refueling to a F-16 Fighting Falcon from the U.S. Seventh Air Force's 8th Fighter Wing, based in South Korea's Gunsan, during a joint military drills between South Korea and the U.S. over the East Sea, east of Seoul, South Korea, Monday, July 26, 2010. (AP Photo/Lee Jae-won, Pool)
U.S. F-22 stealth fighters, second and third from left, fly with other fighters over the Nimitz-class USS George Washington during joint military exercises between the U.S. and South Korea in South Korea's East Sea on Monday, July 26, 2010. U.S. and South Korean warships and helicopters practiced anti-submarine maneuvers off the Korean Peninsula Monday that officers said they hope would serve as a warning to Pyongyang that aggression in the region would not be tolerated. (AP Photo/ Lee Jin-man, Pool)
Deck crew members watch U.S. fighters on the flight deck of the Nimitz-class USS George Washington during joint military exercises between the U.S. and South Korea in South Korea's East Sea on Monday, July 26, 2010. U.S. and South Korean warships and helicopters practiced anti-submarine maneuvers off the Korean Peninsula Monday that officers said they hope would serve as a warning to Pyongyang that aggression in the region would not be tolerated. (AP Photo/ Lee Jin-man, Pool)
South Korean human rights activists stage a rally demanding release of American Aijalon Mahli Gomes in North Korea, in front of the United Nations High Commissioner for Refugees Korea Representative Office in Seoul, South Korea, Monday, July 26, 2010. The rally marked six month after Mr. Gomes was arrested in North Korea on Jan. 25. Mr. Gomes was sentenced in April to eight years of hard labor and fined $700,000 for entering the country illegally and for an unspecified "hostile act." (AP Photo/Ahn Young-joon)
A South Korean human rights activist holds up a defaced portrait of North Korean leader Kim Jong-il during a rally demanding release of American Aijalon Mahli Gomes in North Korea, in front of the United Nations High Commissioner for Refugees Korea Representative Office in Seoul, South Korea, Monday, July 26, 2010. The rally marked six month after Mr. Gomes was arrested in North Korea on Jan. 25. Mr. Gomes was sentenced in April to eight years of hard labor and fined $700,000 for entering the country illegally and for an unspecified "hostile act." (AP Photo/Ahn Young-joon)
