sentences:  As a result, Yurii N. Korolyov came up with his own proposals based on the earlier experiments with the RS-2-US.A design bureau to develop the RS-2-US for surface targets was set up under Korolyov by decree #100 of 12 March 1966 of the Ministry of the Aircraft Industry; this bureau would become the Zvezda OKB in 1976.The resulting weapon used the body of a K-8 (AA-3 'Anab') K-5 guidance and propulsion systems but increased the warhead from to .