The Almaz-Antey defense manufacturer will deliver three regiments of S-400 ‘Triumf’ anti-aircraft missile systems and four sets of S-350 ‘Vityaz’ battlefield air defense launchers to the Russian troops by 2023 under new contracts signed with the Defense Ministry, the company’s press office reported on Tuesday.

"The Almaz-Antey Group and the Defense Ministry of Russia have signed contracts for the delivery of three regiments of S-400 ‘Triumf’ surface-to-air missile systems and four sets of S-350 ‘Vityaz’ anti-aircraft missile launchers. All the hardware will be handed over to the Russian Armed Forces no later than 2023," the press office said in a statement.