DPRK prepares for launching Kwangmyongsong-3 satellite (II) Photo taken on April 8, 2012 shows the control and monitor center in Tongchang...

DPRK prepares for launching Kwangmyongsong-3 satellite (II)

Photo taken on April 8, 2012 shows the control and monitor center in Tongchang-ri base, Democratic People's Republic of Korea (DPRK). (Xinhua/Zhang Li)

Photo taken on April 8, 2012 shows the rocket for launching Kwangmyongsong-3 satellite installed on the launch pad in Tongchang-ri base, Democratic People's Republic of Korea (DPRK). (Xinhua/Zhang Li)

Photo taken on April 8, 2012 shows the rocket for launching Kwangmyongsong-3 satellite installed on the launch pad in Tongchang-ri base, Democratic People's Republic of Korea (DPRK). (Xinhua/Zhang Li)

Photo taken on April 8, 2012 shows a staff member introduces the situation to the journalists in control and command center in Tongchang-ri base, Democratic People's Republic of Korea (DPRK). (Xinhua/Zhang Li)

Photo taken on April 8, 2012 shows the rocket for launching Kwangmyongsong-3 satellite installed on the launch pad in Tongchang-ri base, Democratic People's Republic of Korea (DPRK). (Xinhua/Zhang Li)

DPRK announced last month its plan to launch the Kwangmyongsong-3 satellite to mark the 100th birthday of late leader Kim Il Sung, which has triggered global concerns.