This, the fourth volume in this ten-volume set, continues its complete timeline of significant events in the history of the torpedo boat in all navies and all oceans. The full-color interior of this volume, which covers the period September 1939 to December 1940, includes twenty-five illustrations and rare photographs in a full-color interior. The global coverage includes stories and illustrations of torpedo boats from the navies of France, Germany, the Philippines, the Soviet Union, the United Kingdom, the United States, and more.