The SS United States, built more than 70 years ago, is being towed from Philadelphia to Mobile, Alabama, to become the world's largest artificial reef.

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.

Officials in Okaloosa County on Florida’s coastal Panhandle hope it will become a barnacle-encrusted standout among the county’s more than 500 artificial reefs and a signature diving attraction that could generate millions of dollars annually in local tourism spending for scuba shops,

After quite a few delays, the SS United States is on its way to its new home off the coast of Florida, stopping in Mobile, Alabama first for repair work.

It left the waterfront on Wednesday, and it will be towed to Mobile, Alabama, for planned prep work before officials eventually sink it off Florida’s Gulf Coast.

The SS United States, once the fastest ocean liner to cross the Atlantic, is heading to its final destination as the world’s largest artificial reef.

It's been a week since the SS United States left its Philadelphia pier for the last time after it was sold to a Florida county to become part of an artificial reef.

The ocean liner left Philly last week as preparations begin to turn the vessel into the world's largest artificial reef.

The SS United States set the transatlantic speed record on its maiden voyage in 1952, a record it still holds today.

The SS United States, built more than 70 years ago, is being towed from Philadelphia to Mobile, Alabama, to become the world's largest artificial reef.

USS United States is in the Gulf on the way to becoming the world's largest artificial reef. Will you be able to see it from the Lee County shore?

Historic ocean liner to undergo cleaning at MARRS facility before becoming world's largest artificial reef. Will it arrive in time for Fat Tuesday?