Explained: What is the S-400 deal? Why is India cautious as US sanctions Turkey?
The system can track 100 airborne targets and engage six of them simultaneously. It represents the fourth generation of long-range Russian SAMs, and the successor to the S-200 and S-300. The S-400’s mission set and capabilities are roughly comparable to the famed US Patriot system. The S-400 Triumf air defence system integrates a multifunction radar, autonomous detection and targeting systems, anti-aircraft missile systems, launchers, and command and control centre. It is capable of firing three types of missiles to create a layered defence. The S-400 is two-times more effective than previo...