Three distinct missile variants were produced as the "9M714B", "9M714F" and "9M714K". B-model missiles were nuclear-armed types and ranged out to 500 kilometers. F-model missiles were standard FRAGmentation, High-Explosive (FRAG-HE) types ranged out to 450 kilometers. K-model missiles carried submunitions to be used against "soft targets" and ranged out to 300 kilometers.
A single OTR-23 system included the launcher vehicle itself as well as an ammunition vehicle carrying a single missile reload and a re-supply vehicle used to load the missile onto the launcher.
With the end of the Cold War in 1991, some of the Soviet stock of OTR-23 systems fell to newly-created nations though the nuclear capability was not transferred for obvious reasons. During the thawing of relations between the Soviet Union and the United States, the OTR-23 series was included as part of the disarmament phase by then-Soviet President Gorbachev.
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