Pulse engines represent an upgrade technology for spaceborne fighters and drones. They improve fighter and drone maneuverability upon being researched, much like ground combat technologies improve the tactical abilities of your Divisions. They do not need to be constructed to provide this benefit--having the technology successfully researched is enough.
Jump Drive
Mk I Nuclear Pulse Engine
Mk III Nuclear Engine
This Item cannot be manufactured, and is either a ground combat upgrade or a prerequisite for other technologies
Content contributed by Raven Zachary.