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Boeing (NYSE:BA) +5.2% and Lockheed Martin (NYSE:LMT) -5.1% in Friday's trading as President Trump reportedly has awarded Boeing a contract to build the U.S. Air Force's most sophisticated fighter jet, known as Next Generation Air Dominance.

The engineering and manufacturing development contract is worth more than $20B, and the winner eventually would receive hundreds of billions of dollars in orders over the contract's multi-decade lifetime.

The NGAD program will replace Lockheed's (NYSE:LMT) F-22 Raptor, with a crewed aircraft built to enter combat alongside drones; the plane's design remains a closely held secret, but likely would include stealthiness, advanced sensors, and cutting-edge engines.

For Boeing (NYSE:BA), the win marks a reversal of fortune for a company that has struggled in recent years and is a major boost for its St. Louis, Missouri, fighter jet production business.