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.

Almost three decades later and with more than $40 million spent on rent, insurance, and feasibility studies, the SS United States — the dilapidated 990-foot ship that adorned or blemished the Delaware River waterfront,

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.