Even as the US considers providing additional military and financial assistance to Ukraine, North Korea reportedly was able to get its hands on modified RD-250 high-performance liquid-propellant engines developed by Ukraine's Yuzhnoye State Design Office.
The Ukrainian Connection
12:35 GMT 15.08.2017 (Updated: 12:36 GMT 15.08.2017)
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It appears that Ukraine has made a significant contribution to the North Korean missile program by supplying Pyongyang with rocket engines.