As the American army did not have tanks of its own, the French FT 17 was used by US in the later stages of World War I, and brought tanks to their attention. It was cheap and well-suited for mass production, and in addition to its traversable turret another innovative feature of the FT-17 was its engine located on the back on the tank rather than the front. This pattern, with the gun located on a mounted turret and with the engine on the back, became the standard for most succeeding tanks across the world even to this day.