At Jutland, Harvey, although mortally wounded by German shellfire, ordered the magazine of Q turret on the battlecruiser Lion to be flooded. This action prevented the tons of cordite stored there from catastrophically detonating in an explosion that would have destroyed the vessel and all aboard her. Although he succumbed to his injuries seconds later, his dying act may have saved over a thousand lives and prompted Winston Churchill to later comment: "In the long, rough, glorious history of the Royal Marines there is no name and no deed which in its character and consequences ranks above this"