David Albright and Andrea Stricker, of the Institute for Science and International Security, said the latest test could be a measure of progress.

NPR: NKorean Nuclear Test May Be Intelligence Windfall

But physicist David Albright, president of the Institute for Science and International Security, believes it may be capable of mounting nuclear warheads on Rodongs.

NPR: Despite Threats, Risks Temper Korea War Tensions

According to a 2010 report by David Albright and Paul Brannan of the Washington-based Institute for Science and International Security, it appears that in 2001, via the A.Q.

FORBES: North Korea's Middle East Webs and Nuclear Wares