MOSCOW. April 7 (Interfax-AVN) - A Russian surface-to-air missile (SAM) regiment will be retrained to use new S-400 Triumf SAM systems this year, Colonel General Yury Solovyov, commander of the Special Purpose Command, said on Thursday.
"According to the state defense order, new S-400 SAM systems are to enter the inventory of our units this year or next year. That is why we will retrain an SAM regiment to use these systems," Solovyov told a news conference.