The hwasong-5 is a surface-to-surface short-range tactical ballistic missile derived from the soviet r-17 elbrus missile and based on the ballistic missile scud-b. Hwasong-5 with a range of 300 km and a payload capacity of slightly under 1,000 kg. North korea purchased the soviet scud-b from egypt in the mid-1970s: and made improvements to the airframe, guidance, and motor. Flight tests of the hwasong-5 began in 1984 and the missile was deployed in 1986. The hwasong-5 like the scud-b is road-mobile and launched from a north korean copy of the russian designed maz-543 transporter-erector-launcher (tel) vehicle. However, the srbm can also be launched from converted commercial vehicles as well. It is believed that north korea has around 300 hwasong-5 srbms with around 12 to 15 launchers. Ending production in 1991 or 1992.