Japan, the United States and South Korea on Thursday began a new joint military exercise in the East China Sea spanning aerial, naval and cyber domains, apparently to boost their readiness against North Korea's missile and nuclear threats.The three-day "Freedom Edge" drills involve the helicopter carrier Ise and the Aegis destroyer Atago from Japan's Maritime Self-Defense Force and the U.S. nuclear-powered carrier Theodore Roosevelt, according to a trilateral statement released by the U.S. Indo-Pacific Command.South Korean destroyers, as well as aircraft from the three nations, are also joi…READ FULL ARTICLE