Lockheed Martin has been awarded a contract by the US Air Force to provide four F-22 fighter jets and their associated equipment.

The F-22 Raptor is a multimission, air-superiority fighter that can perform air-to-air and air-to-ground combat missions.

Under the $474m contract, the defence major has been asked for full production of the F-22 lot 10 air vehicles, alternate mission equipment and production engineering support.

The deal also includes work for 16 shipsets of raw material aircraft fuselage titanium.

The Wright-Patterson Air Force Base is in charge of the contracting activity.