RK-55
The Novator RK-55 "Relief ( 'Relief'; NATO: SSC-X-4 'Slingshot'; GRAU: 3K12 ) is a Russian land-based and submarine-launched cruise missile with a nuclear warhead developed in the Soviet Union . 
<triplet> RK-55 <subj> Soviet Union <obj> country of origin <triplet> GRAU <subj> Russian <obj> country <subj> Soviet Union <obj> country