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How useful would the S-400 system be for Russia against the B-2?
How effective has the S-400 been in real-life situations?
The S-400 has been deployed by Russia in a number of conflicts, including the Syrian Civil War. According to Russian officials, the system has been successful in detecting and destroying a range of different targets, including unmanned aircraft and cruise missiles. However, the exact effectiveness of the system is difficult to determine as there is limited independent information available.