A single shot fired from one of America's most high-end missile interceptors can cost up to $US28 million ($40 million).Over the past five months, analysts estimate the US may have used more than 100 of those Standard Missile 3 (SM-3) interceptors to help defend against Iran's ballistic missiles....

Escalating tensions with Iran have severely drained the stock of U.S. missile interceptors, notably affecting the inventory levels of Patriot and THAAD systems. This depletion…

The military has used approximately a third of its Patriot missile interceptors and about half of its THAAD ballistic missile interceptors.