In a parallel dimension where not only apes evolved into a dominant and intelligent species, technology far surpasses our current level. There are four main dominating factions in the known universe.
The Railcannon Tank is a support tank designed to aid other vehicles from a distance, the railcannon is capable of firing slugs at long range to do massive damage. The limitation in mobile power generators forces the crew to switch the engine from the motor to the rails and targeting array before being able to fire, leaving the tank vulnerable to enemies able to get close.
cool, so it can't fire on the move yes?
Right