Within 20 minutes of being hit, RMS Lusitania was at the bottom of the ocean and 1200 people were dead. Can a high-tec dive expedition done a light on one of history's darkest moments?
1940
1977
1970
1988
1949
2010
2018
2014
1981
1961
1954
1968
1984
1985
2021
2023
1931
1956