TOKYO -- North Korea is strongly suspected of using joint research with other countries to develop missile and other military technologies, a Nikkei investigation has found.
Defense
North Korean missiles developed with foreign help, Nikkei finds
Study shows China co-authored academic papers that may violate U.N. sanctions
This photograph released by the Korean Central News Agency appears to show the launch of a cruise missile by North Korea on Jan. 30. (KCNA via Reuters)
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