Lockheed Martin subsidiary challenges Army helicopter contract awarded to Bell
Sikorsky is protesting the Army's decision to award its next-generation assault helicopter contract to the Bell V-280 Valor over its SB-1 Defiant X.
Army helicopter contract award, stealth bomber reveal highlight big month for defense sector
The U.S. Army announced that the Bell V-280 Valor tiltrotor won the contract for its long-range assault helicopter program, while the Air Force unveiled its B-21 stealth.