 Beginning in mid-2003, the North repeatedly claimed to have completed reprocessing of the spent fuel rods previously frozen at Yongbyon and lain cooperation with North Korea's neighbors, who have also expressed concern over the threat to regional stability and security they believe it poses.The Bush Administration's stated goal is the complete, verifiable, and irreversible elimination of North Korea's nuclear weapons program.North Korea's neighbors have joined the United States in supporting a nuclear weapons-free Korean Peninsula.