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?
1982
1988
1940
1977
2010
2018
2015
1978
2022
2014
1949
2017
1970
1981
1961
1954