View of soldiers in Ford GPA amphibious vehicles. Label on back: "Most flexible new machine of the war, on land or in the water, the new quarter-ton four-wheel drive amphibian car built by the Ford Motor Company is shown being put through various tests in the Detroit area. With a capacity of five men, the new machine can plunge into the water and propel itself as a boat. No steering gear changeover is required from land to water operation. From Ford News Bureau, John W. Thompson, Director. Administration Building. Dearborn, Michigan. Release, Sunday, March 21, 1943." Handwritten on back: "Amphibious vehicles."