🚨 HOURS SHIFT 🚨 Starting October 1, USS Constitution will shift to winter hours. “Old Ironsides” will be open to the public from 10:00 AM to 4:00 PM, Wednesday through Sunday. As the seasons change, our mission remains the same—to preserve and share the legacy of America’s Ship of State, the world’s oldest commissioned warship afloat. Every visit is a chance to walk the decks of history, connect with the stories of generations of Sailors, and see firsthand why “Old Ironsides” continues to insp

Starfleet Academy Courses. Introduction to Starfleet. Federation starships. USS Enterprise (NCC-1701). Refit of the 2270s: The Enterprise underwent another major refit into what would later be known as the Constitution II-class. The refitting took eighteen months of work, and essentially a new vessel was built onto the bones of the old, replacing virtually every major system. This ensured Enterprise's continued service for the next several years, enabling the ship to continue to serve in its pro