FILE - In this Dec. 12, 2012 file photo released by Korean Central News Agency, North Korea's Unha-3 rocket lifts off from the Sohae launch pad in Tongchang-ri, North Korea. The upcoming regional security summit in this tiny Southeast Asian sultanate is the sort of venue where North Korea has often managed to open up sideline discussions with Seoul and Washington. This time, while there will be plenty of talk about Pyongyang, there is little chance of substantive talk with it. (AP Photo/KCNA, File)This entry has expiredRelatednorth korea nuclear program north korea nuclear weaponspyongyangnorth korea missile testnorth korea missileBefore You GoYongbyon Nuclear ComplexSee GalleryPopular in the Community From Our Partner