The Ford GPA was built as an amphibious vehicle, it was the floating version of the Ford GPW jeep, better known as the Willys Jeep. The well know Willys Jeep was produced by both Willys and Ford. The GPA, or Government ‘P’ Amphibious, the ‘P’ stood for its 80-inch wheelbase. It was supposed to be a Sea Jeep, or Seep but it was too hard to control both in the water and on land. it was cumbersome, heavy and slow. It resembles the DUKW in shape and form.