once heralded as the greatest ship in the world, but now the race is on to save her from the scrap heap. cnn's sarah hoy has our report. >> reporter: the "ss united states" is sending out what could be its final sos. once the fastest oceanliner to cross the atlantic, america's flagship is in need of a rescue. larger, faster and safer than the "titanic," the first time the "ss united states" took to the water, she set the world speed record, a feat that has never been surpassed. but time and money are running out for the ocean liner that carried heads of state and celebrities across the atlantic in the '50s and '60s. dubbed the big ush, this lady i waiting could be sold for scrap unless her owners come up with enough money to save her.