SS-1B “Scud-A” (R-11 Zemlya)
SS-1C “Scud-B” (R-17 Elbrus)
SS-1D “Scud-C”
SS-1E “Scud-D” (R-17 VTO)
SS-21 “Scarab” (OTR-21/9K79 Tochka)
SS-26 “Stone” (9K720 Iskander)