This is British heavy assault tank "A39 TORTOISE".

Throttle: Forward the tank.
Yaw key: Change of direction.

Activation Group
1: Move the main gun at the pitch and roll key.
2: Move the machine gun at the pitch and roll keys, shoot with space key.
3: Move the Turret at the VTOL bar, shoot with space key.
4: The throttle off, then backward by lowering the VTOL bar.
5: Fire the shells of the nose cone from the main gun.

Camera Group
1: View of the main gunner.
2: View of the machine gun gunner.
3: View of the commander's cupola.
4: View of the turret.
Cockpit: View of the driver.

This is first post for me.
And I English is not good.
Sorry to obscure my sentences.