The S-400 Triumf (NATO reporting name: SA-21 Growler) is widely recognized as one of the most capable mobile, long-range surface-to-air missile (SAM) systems in service. Developed by Russia’s Almaz-Antey, the system acts as a protective “shield” designed to detect, track, and destroy a vast spectrum of aerial threats—including stealth fighters, strategic bombers, cruise missiles, and tactical ballistic missiles.
System Overview & Key Metrics
| Feature | Technical Specification |
| Manufacturer | Almaz-Antey (Russia) |
| Detection Range | Up to 600 km (360-degree radar coverage) |
| Max Engagement Range | 400 km (using the 40N6E missile) |
| Max Target Speed | Mach 14 (~17,000 km/h) |
| Engagement Capacity | Tracks up to 300 targets; simultaneously engages up to 36 targets |
| Deployment Time | 5 to 10 minutes from transit to fire-ready |
Layered Arsenal: Four Missiles, One Shield
Rather than relying on a single missile type, an S-400 battery fires four distinct interceptors, creating a multi-layered defense envelope:
- 40N6E (Very Long-Range – 400 km): Designed to hit high-value assets like AWACS radar planes, electronic warfare aircraft, and tankers at extreme distances.
- 48N6E3 / 48N6E2 (Long-Range – 200–250 km): Primary interceptor against fast-moving airborne targets and ballistic missiles.
- 9M96E2 (Medium-Range – 120 km): High-maneuverability hit-to-kill missile tailored for fighter jets and low-flying cruise missiles.
- 9M96E (Short-Range – 40 km): Point-defense interceptor optimized for fast, close-range threats.
How the S-400 Battery Works
An S-400 setup is an entire mobile battalion operating in sync, rather than just a standalone launcher:
- Surveillance Radar (91N6E): Scans the sky up to 600 km away, detecting hundreds of targets simultaneously and passing track data to command.
- Command & Control Vehicle (55K6E): Evaluates incoming threats, prioritizes targets, and assigns the appropriate missile variant.
- Multifunction Fire Control Radar (92N6E): Locks onto specific targets and guides the launched interceptors to their interception points.
- Transporter Erector Launchers (TELs): Mobile heavy vehicles carrying missile launch tubes that can fire within seconds.
Key Operational Capabilities
- Anti-Stealth Tracking: Equipped with multi-band radars (VHF, UHF, X-band) that make tracking low-observable (“stealth”) aircraft like the F-35 or B-2 significantly easier at tactical ranges.
- Rapid “Shoot-and-Scoot”: Because every component is mounted on all-terrain heavy trucks, a unit can fire, pack up, and relocate in under 10 minutes to avoid counter-battery strikes.
- Electronic Warfare Resistance: Advanced frequency-hopping and digital beamforming allow the radar suite to function in heavily jammed environments.