"SpaceX really got the party started by opening up access to LEO," Tom Mueller said in an interview. "What Impulse wants to do is what SpaceX did for LEO, but for everything else, all the other high-energy orbits." Helios would serve as an additional stage for the Falcon 9. It would transport satellites to GEO in less than 24 hours. It would move two-thirds of the mass capability of a Falcon Heavy launching to GEO by using a Falcon 9.