In 1962, the Army tested a machine known as The Overland Train at Yuma Proving Ground in Arizona. It was designed to carry equipment and supplies over both on- and off-road terrains. The train consisted of the control car, ten cargo carrs, and two power generating cars. It was 565 feet long and could haul 150 tons of cargo. The control car also contained living quarters for a crew of six, complete with sleeping, eating and sanitation facilities