Here How a S-400 /S-500 works that Could Bring Down The F-35

The S-400 Triumf (Russian: C-400 Триумф, Triumf, Translation: Triumph; NATO reporting name: SA-21 Growler), previously known as the S-300PMU-3,[2] 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. Dr Alexander Lemanskiy was the Chief Engineer of Almaz-Antey on the S-400 project.In 2017, the S-400 was described by The Economist as "one of the best air-defence systems currently made".[3] According to Siemon Wezeman of Stockholm International Peace Research Institute (SIPRI), the S-400 "is among the most advanced air defense systems available."[4][5] Because of its capabilities, several countries, including China, Saudi Arabia, Turkey, India, and Qatar, have expressed their appreciation for the S-400 system. China was the first foreign buyer to make a government-to-government deal with Russia in 2014.[6]
original source: https://en.wikipedia.org/wiki/S-400_missile_system

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