Sa-21 Growler

The S-400 Triumf; NATO reporting name: SA-21 Growler), previously known as the S-300PMU-3, is an anti-aircraft weapon system developed in the 1990s by Russia's Almaz Central Design Bureau as an upgrade of the S-300 family. It has been in service with the Russian Armed Forces since 2007.

In 2017, the S-400 was described by The Economist as "one of the best air-defence systems currently made", and Siemon Wezeman of Stockholm International Peace Research Institute (SIPRI) said it "is among the most advanced air defense systems available."China was the first foreign buyer to make a government-to-government deal with Russia in 2014, while Saudi Arabia, Turkey, and Belarus have all acquired the system since.

Galery

Control
YAW : Turn
VTOL : Lower the tube

Activation Group
Ag1 : Turn on engine
Ag2 : Light
Ag3 : Glass wiper
Ag4 : Unscrew the tube
Ag5 : Left turn signal
Ag6 : Right turn signal
Ag7 : Gyroscope
Ag8 : -

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