Comparing: Centurion Action X vs. Leopard 1

The Action X turret was planned to be used for later variants of the Centurion tank. One prototype of the turret was mounted on the chassis of the Centurion Mark 7, and another was used for ballistic trials. The vehicles with the Action X turret never entered mass production or saw service.

Main battle tank of the Federal Republic of Germany. Development was started in 1956. The first prototypes were built in 1965 at the Krauss-Maffei factory. The Leopard 1 saw service in the armies of more than 10 countries.