The US Army's early attempt to create an armored vehicle fell short. See images of the flawed but influential Holt hybrid ...

British and French tanks inspired the US Army to design their own armored vehicle. The US tractor-turned-tank failed ... trenches along the Western Front during World War I. Traditional infantry ...

The US tractor-turned-tank failed but influenced future tank and armored vehicle development. The US military sought an armored weapon to bypass the heavily defended trenches along the Western Front ...