The R-17 Elbrus (Russian: Р-17, 9К72 «Эльбрус», named for Mount Elbrus), GRAU index 9K72 is a tactical ballistic missile, initially developed by the Soviet Union. It is also known by its NATO reporting name SS-1C Scud-B. The R-17 is one of several Soviet missiles to carry the reporting name Scud, and the most prolifically launched of the series, with a production run estimated at 7,000 (1960–1987). Also designated R-300 during the 1970s, the R-17 was derived from the R-11 Zemlya. It has been operated by 32 countries and manufactured in four countries outside the Soviet Union. It is still in service with some. The North Koreans reverse-engineered it as the Hwasong-5.
