Ballard began his search for the Titanic in 1997.His first attempt failed,but he didn't give up.In August 1985 he returned to the area where the Titanic sank.A bmersible named Argo travelled along almost 4 kilometres below Ballard's ship,transmitting pictures to Ballard.Early on the morning of 1 September,Ballard noticed unusual shapes in the sand at the bottom of the sea.Then he saw clear pictures of a ship.After seventy-three years,the Titanic had been found.