 Commanding "Tradewind", he torpedoed 14 Japanese vessels, none of which were warships.One of these, torpedoed on 18 September 1944, was , on its way from Java to Sumatra, carrying 1,450 mostly Dutch prisoner of war slave laborers and 4,200 Javanese slave laborers.5,620 of those on board died, making this the biggest single action friendly loss of life in history and the highest death count in history from a single British action.