The S-400 Triumph air defense system from russia is regarded as one of the most advanced and potent air defense systems in existence. Its purpose is to eliminate long-range missile threats from the air. Ballistic missiles, drones, cruise missiles, and enemy fighter jets can all be intercepted by this technology.
 
China, india, and turkey are among the nations that have already acquired this system. Different kinds of missiles are used in the system, and the cost of each missile varies. One S-400 missile can cost anywhere between $300,000 (about Rs 2.5 crores) and $1 million (Rs 8.3 crores), according to information. The price of some long-range missiles, such the 40N6E, can range from $1 to $2 million.

What missiles are included in the S-400?

The S-400 system has four main missiles:

The 48N6E3 is a fast missile with a 250-kilometer range.
 
With a 400-kilometer range, the 40N6E is the longest-range missile.
 
The 9M96E and 9M96E2 are affordable, short-range missiles with quick reaction times.
 
The 40N6E is said to be the most costly and potent of these.  

Why are these missiles so expensive?
The S-400 is not a typical missile. They have sophisticated engines, precise navigation, computerized guiding, and high-tech sensors. Multiple targets can be tracked by this system at once, and missiles can be launched in response. High technology and research expenses are also incurred during manufacture. A single missile can cost several crores of rupees because of this.
 
Many analysts have recently argued that it becomes a losing deal if an S-400 missile shoots down a less expensive kamikaze drone, such as the one that costs $20,000. To put it another way, bringing down a drone worth 20 lakh rupees costs Rs 8 crores. Many nations are now concentrating more on affordable anti-drone technology as a result.

Deals between india and turkey
 
For $2.5 billion, turkey bought 4 S-400 batteries from russia, which came with about 144 missiles. Including launchers, radar, and other equipment, the average cost of a missile is approximately $17.36 million. According to experts, the true cost per missile ranges from $0.5 million to $1 million.
 
In contrast to THAAD in the united states
 
When compared to the American Patriot and THAAD systems, the S-400 is thought to be less expensive.  A U.S. THAAD battery can cost up to $3 billion, while an S-400 battery might cost up to $500 million, according to a CNBC article.  

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