South Koreans watch a television broadcasting an undated image of a missile launch by North Korea at the Seoul Railway Station in Seoul, South Korea, Saturday, July 4, 2009. North Korea fired three missiles off its eastern coast Saturday, South Korea said, in what was likely to be seen as a message of defiance to the United States on its Independence Day holiday. The letters on the screen read 'Need one week to launch long-range missiles.'(AP Photo/Ahn Young-joon)AP – South Korea says North Korea has fired a sixth missile off its eastern coast.