Senior U.S. administration official confirms U.S. has scrapped missile plan . The United States and South Korea have been discussing a joint military exercise in the coming weeks to counter North Korea's nuclear threat. The comment followed similar statements from officials in Poland and the Czech Republic -- where key elements of the system were to be located -- but was the first confirmation from an American official . Decision likely to appease Russia which had fiercely opposed the plans . Plan proposed by Bush adminstration , has been under review by Obama .
Senior U.S. administration official confirms U.S. has scrapped missile plan . The United States and South Korea have been discussing a joint military exercise in the coming weeks to counter North Korea's nuclear threat. Decision likely to appease Russia which had fiercely opposed the plans . Plan proposed by Bush adminstration , has been under review by Obama .