Charles Hass: director]]> Great Britain. Ministry of Information]]> Great Britain. Crown Film Unit]]> 1941]]> U.S. Army Air Forces Motion Picture Unit]]> War Finance Division]]> 1945]]> Grahame Tharp: director]]> Arthur Elton: producer]]> Great Britain. Ministry of Information]]> 1940]]> U.S. Office of War Information]]> 1942]]> U.S. Army Pictorial Service]]> 1944]]> Warner Brothers]]> United States Army Air Forces ]]> 1942]]> U.S. Office of War Information Bureau of Motion Pictures]]> U.S. Coast Guard]]> 1942]]> National Film Board of Canada]]> 1944]]>