These tracked anti-aircraft vehicles patrol the surface of the moon and are equipped with rocket launchers to eliminate low-flying UFOs.

Cat with Ten LivesEdit

This episode begins with a trio of UFOs using a diversion tactic to draw the interceptor squadron away from moonbase, while another three launch their attack on the base directly. With the interceptors indisposed, these ground defence vehicles are used to shoot down the UFOs - proving themselves to be hopelessly ineffective until the last minute.