Here we are going to see a unique radar that has no analogues in the world.
Don-2N (Pill Box) is a stationary multi-functional radar with a phased-array antenna based in the Moscow region. The radar is a four-sided truncated pyramid which is 33 m high. Every side is 130 m long along the basis and 90 m long along the roof.
A missile defense system consists of two key elements such as the ballistic-missile detector and missiles for their annihilation or anti-missiles. The system that lacks any element is totally useless.
Ballistic missiles move as follows: they perform launch and boost, move along the ballistic trajectory and enter dense layers of atmosphere which is followed by target hitting.