High Quality Content by WIKIPEDIA articles! The UR-200 was an intercontinental ballistic missile (ICBM) developed by OKB-52 of Vladimir Nikolaevich Chelomey in the Soviet Union. It was known during the Cold War by the NATO reporting name SS-10 Scrag and internally by the GRAU index 8K81. The design was authorized by the Decisions of the Central Committee of the CPSU of March 16 and August 1, 1961, and the draft project was finished in Jule1962. It first flew on November 4, 1963 from the Baikonur Cosmodrome. The ninth and final flight was conducted on October 20, 1964.