Retrieved 10 May 2015. ↑ "New Yars-S Missile Systems To Enter Combat Duty In Russia's Barnaul In November". Retrieved 19 October 2019. ↑ Три полка РВСН перевооружат на комплексы "Ярс-С" до 2021 года [Three regiments of the Strategic Missile Forces will be re-equipped with Yars-S complexes until 2021] (in Russian). RIA Novosti.