Commissioning Day for the Submarine USS Massachusetts

Festivities begin at 8AM in Boston. Shuttle buses will transport guests to and from Conley Terminal for the ceremony.

The USS Massachusetts (SSN-798) is a Virginia-class nuclear-powered attack submarine that will be officially commissioned in Boston on Saturday, March 28, 2026. This vessel marks a significant milestone as the first modern submarine to visit Boston and the fifth Navy ship named after the Commonwealth of Massachusetts.