A single shot fired from one of America's most high-end missile interceptors can cost up to $US28 million ($NZD47 million).

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

WASHINGTON: The US Defense Department awarded Lockheed Martin a contract worth up to $58.6 billion to produce Patriot interceptor missiles, the Pentagon said on Wednesday, as…