View of soldiers in a GMC amphibious truck (DUKW) towing a howitzer. Label on back: "The Army's newest and most unique military vehicle, the amphibian truck, is the latest surprise to be handed the Axis. This remarkable vehicle is now in volume production at the factories of General Motors Truck and Coach. Capable of hauling troops and equipment ashore or across water, it is shown, above, towing a 105 mm. howitzer. (Approved by the War Department, Bureau of Public Relations.)" Handwritten on back: "Amphibious vehicles."