DefinePK

Description

The S-400 Triumf (Russian: C-400 Триумф – Triumf; translation: Triumph; NATO reporting name: SA-21 Growler), previously known as the S-300 PMU-3,[2] is a mobile, surface-to-air missile (SAM) system developed in the 1990s by Russia's Almaz Central Design Bureau for Marine Engineering as an upgrade to the S-300 family. The evolved version of the S-400 system is the S-500 Prometheus, which entered service on 16 September 2021.[3]

The S-400 went into service on 28 April 2007. The first battalion of the newest surface-to-air missile systems assumed combat duty on 6 August.
#russia #russiaukrainewar #s400