North Korea has been working closely with Iran to develop its long-range ballistic missiles, possibly using Chinese technology, and is building large bases to prepare for their deployment, a South Korean state-run think tank said. North Korea is also building new sites near the Demilitarized Zone with the South for short-range missiles and is deploying missiles with improved precision that can strike most of Japan, the Institute of Foreign Affairs and National Security (IFANS) said in a report. “The development of Taepodong-2 is conducted jointly with Iran, and it is possible China’s technology is used in the development of the Taepodong-2 engine,” said the IFANS report, which Reuters obtained on Thursday. Full Story