After months of delays, what was once the world’s fastest passenger liner his making the first leg of the ship’s journey to her new underwater home off the coast of Florida.

Hours before a tow down the Delaware River, the SS United States will remain in Philidelphia after Coast Guard nixes move.

The SS United States has been cleared to sail from south Philadelphia to Mobile, Ala., in preparation for its eventual sinking in northwest Florida to become the world's largest artificial reef.