The project was named "Temp-20" which would then become the RT-21 Temp 2S.
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He developed various missiles, bombs, shells and is considered "father" of the mobile ICBMs, having created the RT-21 Temp 2S (SS-16), RSD-10 Pioneer (SS-20) and the RT-2PM Topol (SS-25).
In 1970s Georgy Sergeev was Chief Designer of the missile systems RT-21 Temp 2S, OTR-21 Tochka, OTR-23 Oka and 203 mm 2A44 gun for the self-propelled gun 2S7 Pion.
It was based on two solid-fuel fibre-glass clad stages of the RT-21 Temp 2S (SS-16 Sinner) so it was also known as the RT-21M Pioneer.
RT-21 Temp 2S | Temp | temp |