The RS-24 Yars (РС-24 Ярс– ракета стратегическая (strategic missile)) - modification 24)[citation needed] also known as RT-24 Yars or Topol'-MR (Russian: PC-24 «Ярс»,[7] NATO reporting name: SS-29[8][dubious ] or SS-27 Mod 2[9][6][1][10]) is a Russian MIRV-equipped, thermonuclear armed intercontinental ballistic missile first tested on May 29, 2007, after a secret military R&D project.[11]