BAE Systems has been awarded a five-year Systems Engineering and Integration Support Services contract to continue supporting the U.S. Navy Strategic Systems Programs office. The contract, worth up to $478 million, was awarded in September 2021. The SSP oversees the Strategic Weapons System and Attack Weapons System on-board current U.S. Ohio and U.K. Vanguard class submarines, as well as on future U.S. Columbia and U.K. Dreadnought class submarines.