Shattered by bomb impacts, the 100-meter-long British destroyer "Keith" has been lying at the bottom of the Dunkirk channel since its sinking in 1940. It went down during Operation Dynamo, when hundreds of thousands of Allied troops were rescued by sea from the advancing Germans. Now the World War II warship appears in brightly colored 3D, vertical slice by vertical slice, on the screen of Mark James, a geophysicist from Historic England. New multibeam survey of the wreck of the destroyer HMS Keith, showing the displaced hull section. Drassm, multibeam processed by A. Rochat (Drassm) and M. James (MSDS Marine/Historic...