Virginia-class submarine Massachusetts (SSN 798) was recently launched into the James River at Newport News Shipbuilding.Shipbuilders transferred the submarine from a construction facility to the floating dry dock, where it was later submerged and moved by tugboats to a submarine pier at the shipyard for final outfitting, testing and crew certification.Massachusetts is the U.S. Navy’s 25th Virginia-class submarine and will be the 12th delivered by NNS.