Ryu Kum-chol, deputy director of space exploration in the Department of Space Technology of North Korea, speaks to the international media in Pyongyang, North Korea, on Tuesday, April 10, 2012. (AP Photo/David Guttenfelder)
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Ryu Kum-chol, deputy director of space exploration in the Department of Space Technology of North Korea, speaks to the international media in Pyongyang, North Korea, on Tuesday, April 10, 2012. (AP Photo/David Guttenfelder)
