Helios
Upper stage that pushes heavy satellites to high orbits fast
California company building space tugs: Mira moves and hosts payloads in orbit, and Helios is a high-energy upper stage meant to carry satellites from low orbit to geostationary orbit in under a day.
Products, by altitude
Earth to Moon · 35,786–384,400 km
In development ![]()
In service ![]()
Mira
Nimble spacecraft that delivers or hosts other companies' payloads
Known rounds
Milestones
- Jul 2026 Space Systems Command added Impulse to the NSSL Phase 3 Lane 1 launch pool as the first upper-stage prime, with Helios paired to another company's rocket; the initial task order is $5 million. Company statement6