India’s S-400 Shield: Why India Still Wants a Desi Replacement For a country that has to watch two very different strategic frontiers, air defence is not simply about owning a powerful missile system. It is about knowing what is coming, deciding what must be stopped, and having enough layers of protection to ensure that one missed target does not become a national crisis. That is where Russia’s S-400 Triumf has become particularly important for India. India received its fourth S-400 system in 2026, strengthening a long-range air-defence network that already includes three operational systems. The fifth and final system under the original 2018 contract is expected later this year. In Indian discussions, the system is associated with the name Sudarshan Chakra. But behind the dramatic name is a very practical military idea: keep hostile aircraft, missiles and drones at a distance before they can get close enough to threaten important targets. And that changes the question from “How powerful is the S-400?” to something much more interesting: How does India build an air-defence shield in which the S-400 is only one part of a much larger system? The 400-kilometre headline needs a little explanation The S-400 is frequently described as
World Beyond the News
Octopuses Can Change Their Appearance
Octopuses can rapidly alter their skin colour and texture to communicate, camouflage themselves and respond to danger.
Some Cities Exist Across Two Continents
A small number of cities are geographically associated with two continents, creating unusual cultural and geographic identities.
Earth’s Climate Is Measured in Many Ways
Scientists track temperature, atmospheric gases, sea level, ice cover and other indicators rather than relying on a single climate number.
Streaming Changed How Audiences Discover Shows
Recommendation systems and global streaming releases allow audiences to discover programmes far beyond their original markets.
