Assigned by Reward Required Location Preceded by Followed by Disable weapons control system is a mission in The Lost Frontier. After using the warp gate in the old Aeropan barracks, Jak, Keira and Daxter return to Aeropa in an attempt to stop Skyheed. Jak must first destroy Skyheed's weapons control system so he can regain use of his Gunstaff weapon mods before he can head to the palace.