Kim In Ryong told the U.N. Security Council that the more than 50-year confrontation between North Korea and the United States came closer to the brink of nuclear war than ever before when the U.S. military held what he called its largest-ever "aggressive" maneuvers with South Korea in April and May. [...] he said, the United States has sent B-1B nuclear bombers into South Korean airspace, deployed the THAAD anti-missile system in the country, imposed new U.S.