By the end of WW1, the entire German fleet (74 ships) was Sub-Marine.. that is Under-Water. Remarkable story, https://en.wikipedia.org/wiki/Scuttling_of_the_Ge

By the end of WW1, the entire German fleet (74 ships) was Sub-Marine.. that is Under-Water. Remarkable story, https://en.wikipedia.org/wiki/Scuttling_of_the_German_fleet_in_Scapa_Flow https://en.wikipedia.org/wiki/Scuttling_of_the_German_fleet_... The unsalvaged ones are still popular dive sites.