MOSCOW (Sputnik) – The Almaz-Antey concern, which manufactures the systems, said in a statment: "as part of its obligations [to fulfill its] state defense order, transferred a regular (second for October and third for 2017) regiment of S-400 Triumf air defense missile systems to the Russian Defense Ministry," the manufacturer said.
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"By the end of 2017, the company will supply the Russian Defense Ministry with another S-400 regiment. Thus, this year the state customer will have been sent four [artillery] regiments equipped with the system," it said.
The S-400 Triumph is designed for highly effective protection against air strikes, strategic, cruise, tactical and operational-tactical ballistic missiles as well as medium-range ballistic missiles in combat and radio electronic countermeasures.