New reports from the US media have sparked a major debate after claiming that the US used a large part of its modern missile defense system when assisting Israel in the war against Iran.

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According to defense assessments cited in the report, the US military fired more than 200 THAAD missiles to intercept ballistic missiles launched by Iran towards Israeli territory. 

The THAAD system is considered one of the most advanced US technologies in countering air strikes and long-range missiles.

The reports state that the number of missiles used is almost half of the Pentagon's entire stockpile for that specific system, which has raised questions about the extent of the use of modern weapons in Middle Eastern conflicts.

While the United States is said to be using significant military force in the operation, Israel is said to be reserving a large portion of its defensive missiles for future use, a move interpreted by some analysts as a strategy to protect itself against potential future threats.

Military analysts believe that the widespread use of the missiles shows how dangerous the tensions between Iran and Israel have become, with the United States forced to intervene directly to protect its key ally in the region.