Japan Self-Defense Force members work on a PAC-3 surface-to-air missile unit deployed at the Japan Air Self-Defense Force's Chinen Subbase in Nanjo in Japan's southernmost prefecture of Okinawa Wednesday, April 11, 2012, in preparation for North Korea's rocket launch, expected to take place sometime between April 12-16. (AP Photo/Kyodo News) JAPAN OUT,
Japan Self-Defense Force members work on a PAC-3 surface to air missile unit deployed at the Japan Air Self-Defense Force's Chinen Sub Base in Nanjo in Japan's southern most prefecture of Okinawa Wednesday, April 11, 2012, in preparation for North Korea's rocket launch, expected to take place sometime between April 12-16. (AP Photo/Kyodo News) JAPAN OUT, MANDATORY CREDIT, NO LICENSING IN CHINA, HONG KONG, JAPAN, SOUTH KOREA AND FRANCE