Photo taken on April 8, 2012 shows the Unha-3 rocket for launching Kwangmyongsong-3 satellite installed on the launch pad in Tongchang-ri base, Cholsan County, North Phyongan Province, the Democratic People's Republic of Korea (DPRK). Media reports said the Democratic People's Republic of Korea has launched an earth observation satellite on April 13, 2012. [Xinhua]