After months of delays, the historic SS United States ocean liner finally moved out of Philadelphia today on a new voyage as it prepares to become the world's largest artificial reef off the Florida coast in the Gulf of Mexico.

After months of multiple delays, the SS United States finally left its longtime home of Philadelphia just before 1 p.m. ET Wednesday. The storied ocean liner’s next stop is Mobile, Alabama, where it will be prepared for its final mission – to become an artificial reef off the coast of the Florida Panhandle.

Credit: Okaloosa County/Cover Images The historic ocean liner the SS United States embarked on its final journey from Philadelphia to the Gulf of Mexico, where it will be sunk and transformed into the world’s largest artificial reef.