One of the frequently mentioned Russian radar systems is the S-400 Triumph. The system has long-range capabilities to detect, track, and destroy airborne targets, including aircraft, drones, and ballistic missiles.
The S-400 has a maximum range of about 400 kilometers and can track up to 100 targets simultaneously. The system is also equipped with a radar that can identify stealth targets such as the F-35 fighter jet.
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