Russia’s Almaz-Antey concern this year handed over to the Defense Ministry three regimental sets of the S-400 Triumf air defense system. Another five will be delivered next year, the company’s press-service said.

"In compliance with its liabilities under the state defense contract for this year the Almaz-Antey concern delivered to the Defense Ministry this year’s third (eleventh on the aggregate) regimental set of the air defense system S-400 Triumf. The weapons will go operational in the Central Military District," a report obtained by TASS says.

"Under plans for 2016 the concern will supply to the Defense Ministry five regimental sets of the S-400 air defense system," the news release says.