12/27 Joby Warrick /While there is "solid evidence" that NKorea acquired blueprints for the R-27 Zyb, there is no proof so far that Pyongyang is building a clone of the R-29 Shtil, with its more powerful engine and 5,000-mile range. But Elleman cautioned: "It may be there, and appear in the future."
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Documents shed light on North Korea’s startling gains in sea-based missile technology
