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.

An ocean liner which hosted Marilyn Monroe and Dwight Eisenhower is on its final journey to the bottom of the sea in Florida. The historic SS United States ocean liner is set to become the world’s largest artificial reef after leaving its moor in south Philadelphia‘s Delaware River waterfront.