“We don’t know exactly how coordinated it is, but it would be naïve to assume that they’re not cooperating on centrifuges,” said Pete Hoekstra (R.-Mich.), the ranking member of the House Intelligence Committee…

“One has to assume that Iran either has the P-2 centrifuge from North Korea, or could get it very easily,” said Simon Henderson, a proliferation expert at the Washington Institute for Near East Policy. He also worries that North Korea could enrich uranium on Iran’s behalf…

U.S. and United Nations officials have documented what they describe as serious limitations in Iran’s ability to quickly and efficiently produce the enriched uranium required to either fuel a nuclear power reactor or to build an atomic weapon. They attribute this largely to the failings of Iran’s less-advanced centrifuges, which are based on a P-1 design originally provided by the Pakistani scientist Abdul Qadeer Khan.