GR-1

I -GR-1 (Cyrillic : ГР-1; Igama lengxelo ye-NATO: SS-X-10 Scrag), ekwaziwa ngokuba yi-8K713, yayiyiSoviet -made intercontinental ballistic missile (ICBM) ephuhliswe kwi-OKB-1 kumbindi wokuqala - engamashumi amathandathu egameni lomkhosi waseSoviet apho, nangona kunjalo, akazange asebenze.

Iyilelwe ukukhuphisana kwinkqubo yeSoviet Orbital Nuclear Strike (FOBS), eyayijongwe ukuba isebenze njengesithwala intloko yenyukliya ukuze ifakwe kumjikelezo woMhlaba, ayiphumelelanga ukuqhubela phambili ngaphaya kwemeko yoyilo. 

Ukugxothwa yi -R-36O, iiprototypes ezimbini kuphela ze-GR-1, ezivela kwi-missile ye -R-9, zaqhutyelwa kwi -Red Square ukulahlekisa ubukrelekrele baseNtshona malunga noyena mntu uphumeleleyo kwinkqubo.