S-400 Triumf (Sudarshan Chakra)

Type: Long-range Surface-to-Air Missile (SAM) system
Detection & Tracking:
- Tracks 300 targets at once; detects threats up to 600 km
- Phased array radars: Big Bird, Tombstone, Grave Stone, Cheese Board
Target Engagement:
- Engages 36 targets; fires up to 160 missiles
- Neutralizes targets up to Mach 14 (17,000 km/h)
- Response time: 9–10 sec
Missiles:
- 40N6E (400 km), 48N6DM (250 km), 9M96E2 (120 km), 9M96E (40 km)
Mobility: Fully mobile, deploys in 5–10 mins
Roles: Protects against aircraft, drones, missiles; offers area denial in Pak-China airspace
Limitations: No offensive strike ability; less effective against hypersonic gliders; integration challenges; high cost