Almaz-Antey was able to leverage the experience gained while working on the joint development of the KM-SAM with South Korea.

In September 2017, the S-350 missile system was reportedly deployed in the town of Masyaf in Hama province, Syria, delivered from Russia via the Tartus port.

[16][better source needed] The first launches, made on March 26, 2019, were positive and the air defense missile system successfully passed state tests.

[18] In February 2020, the S-350 Vityaz was officially commissioned into the service of the old Russian Aerospace Defence Forces now merged in to the new Russian Aerospace Forces as the new missile system had been delivered to Zhukov Air and Space Defense Academy to train crews for the equipment.

[19] The Almaz-Antey Group and the Defense Ministry of Russia signed contracts for the delivery of four sets of S-350 "Vityaz" and three regiments of S-400 "Triumf" in June 2020.