From UPI:
MOSCOW, Nov. 20 (UPI) -- Russia's Strategic Missile Forces will begin operating a second regiment armed with Topol-M mobile missile systems by the end of the year.
The single-warhead Topol-M is an advanced version of the silo-based and mobile Topol-based inter-continental missile. It is the mainstay of the ground-based component of Russia's nuclear triad.
"We will complete the rearmament of the second missile regiment in the Teikovo division with mobile Topol-M systems," Lt. Gen. Andrei Shvaichenko was quoted as saying in Russia media after a news conference.
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Update: Russia continues to modernize its nuclear triad -- RIA Novosti
My Comment: After almost two decades of neglect, the Russians are now investing big money into their nuclear forces. Is there part of their modernization plan .... or are they worried with what they see in Iran, North Korea, China, etc..