The Planet Prison was designed to supercharge the upper atmosphere of a planet with what was essentially an ion pulse, turning the entire atmosphere into an enormous ion cannon. Any vessels that attempted to enter the atmosphere, whether they be leaving the planet or attempting to land, would be instantly disabled. The engines and systems of any vessel in the ion field would shut down, forcing the ship to crash. However, one drawback of the weapon was that it required an immense amount of energy and time to charge up to firing capacity, and it generated large amounts of heat while charging