CHANTILLY, Va., Dec. 22, 2025 (GLOBE NEWSWIRE) -- Parsons Corporation (NYSE: PSN) is pleased to announce it was awarded a contract for the Missile Defense Agency (MDA) Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) indefinite-delivery/indefinite-quantity (IDIQ) contract with a ceiling of $151B. This contract encompasses a broad range of work areas that allows for the rapid delivery of innovative capabilities to the warfighter with increased speed and agility. About Parsons: Parsons (NYSE: ...