*Hologram appears* "hmmmm these planetary defense cannons are outdated....even if a ship slips past the fleet these canons wont scratch them. Maybe if we used the model of a C-2446464 M.A.C Canon it can be modified to charge faster and shoot more accurate. This should stop a dreadnaught with a few rounds. Lima, im going to send some probes to gather materials from the wreckage at earth. This new model will help." *Sends bluebrint to lab*