Russian S-400 Triumf, Air Defense System: Invincible or not
The S-400 Triumf is a long-range surface-to-air missile system. It is one of the most advanced long-range air defense systems in the world.
S400 price
The S-400 Triumf is a long-range surface-to-air missile system. It is one of the most advanced long-range air defense systems in the world.