NAHA, Japan - Photo shows an FPS-5, a radar system capable of monitoring ballistic missiles, at an Air Self-Defense Force base in Itoman, Okinawa Prefecture, on April 11, 2012. The installation, dubbed the Gamera radar, is being used to track a North Korean rocket. North Korea says it will launch a rocket carrying a satellite into space in five days from April 12, 2012. (Kyodo)