\<COLOUR 1> LIFT-OFF THRUST: \<COLOUR 0> About 1,000 tonnes
\<COLOUR 1> NO OF STAGES: \<COLOUR 0> SL-12 - 4 stages; SL-13 - 3 stages
\<COLOUR 1> PROPELLANTS: \<COLOUR 0> First three stages, UDMH/liquid oxygen; fourth stage (SL-12), kerosene/liquid oxygen
\<COLOUR 1> PAYLOAD: \<COLOUR 0> Salyut and Mir space stations, comsats, navigation satellites, lunar and planetary probes
\<COLOUR 1> LAUNCH SITE: \<COLOUR 0> Baikonur Cosmodrome, Kazakhstan, Central Asia
\<COLOUR 1> COUNTRY: \<COLOUR 0> USSR/CIS
\<COLOUR 1> COMMENTS: \<COLOUR 0> Also called the SL-12 and D1 (four stages) and SL-13 and D-1e (three stages); first Soviet launch vehicle developed specifically for space flight as opposed to being a modified missile; over 175 successful launches by mid-1992.