In October 2018, India and Russia signed a $5.43 billion deal for five S-400 regiments.
Ahead of the scheduled deliveries, two Indian Air Force (IAF) teams have already been trained on the system by the manufacturer Almaz Antey, in Russia.
What is CAATSA?
Countering America’s Adversaries through Sanctions Act (CAATSA)‘s core objective is to counter Iran, Russia and North Korea through punitive measures.
Enacted in 2017.
Includes sanctions against countries that engage in significant transactions with Russia’s defence and intelligence sectors.
What is S-400 Triumf anti-aircraft missile systems?
The S-400 Triumfis a mobile, surface-to-air missile system (SAM) designed by Russia.
It can simultaneously track numerous incoming objects — all kinds of aircraft, missiles and UAVs — in a radius of 400km and launch appropriate missiles to neutralise them.
