HII Completes Initial Sea Trials of Virginia-Class Submarine Massachusetts (SSN 798) HII (NYSE: HII) announced that Newport News Shipbuilding completed initial sea trials for the Virginiaclass attack submarine Massachusetts (SSN 798) on Oct. 7, 2025.Over several days at sea, the NNS and Navy team tested systems and components, ... stocktitan.net stocktitan.net / feeds stocktitan-net / / #money / / 8 days 8d Share
