KEY POINTS
  • Intelligence expert sees "substantial collaboration" on weapons development between North Koreans and Iranians.
  • Sunday's missile test by North Korea puts regime "closer to being ready to test an ICBM."
  • Pyongyang said test will help it with development of new "rocket capable of carrying a large-size nuclear warhead."
The long-range strategic ballistic rocket Hwasong-12 (Mars-12) is launched during a test in this undated photo released by North Korea's Korean Central News Agency (KCNA) on May 15, 2017.

A former CIA analyst said Monday the Iranians are continuing to help North Korea with weapons technology as Pyongyang's new missile test over the weekend was described as "a significant advance."

North Korea's launch of an intermediate ballistic missile test on Sunday appears to be a new model and shows an improved capability to reach U.S. military bases on Guam. Also, experts said the new missile is a mid-range ballistic missile and suggests Pyongyang maybe getting more proficiency with reentry technology that could be used for longer-range missiles.