Dr. Robert Ballard and his team of researchers explore the remains of the 1912 wreckage of the ill-fated RMS Titanic 2 1/2 miles deep in the Atlantic Ocean.Dr. Robert Ballard and his team of researchers explore the remains of the 1912 wreckage of the ill-fated RMS Titanic 2 1/2 miles deep in the Atlantic Ocean.Dr. Robert Ballard and his team of researchers explore the remains of the 1912 wreckage of the ill-fated RMS Titanic 2 1/2 miles deep in the Atlantic Ocean.