Raytheon and Lockheed Martin are working with Japanese partners on rival projects to develop new radars that will enhance Japan’s shield against any North Korean missile strike, government and defense industry sources in Tokyo said. As nuclear-armed Pyongyang builds ever more advanced missiles with the ability to strike anywhere in Japan, Tokyo is likely to … Continue reading U.S., Japanese firms collaborating on new missile defense radar, sources say BY TIM KELLY AND NOBUHIRO KUBO (REUTERS)