RS-28 Sarmat
The RS-28 Sarmat ( , named after the Sarmatians; NATO reporting name: SS-X-29 or SS-X-30 ) is a Russian liquid-fueled , MIRV-equipped super-heavy intercontinental ballistic missile ( ICBM ) under development by the Makeyev Rocket Design Bureau since 2009 . 
<triplet> RS-28 Sarmat <subj> MIRV <obj> armament <subj> Makeyev Rocket Design Bureau <obj> designed by