Helios kick stage
High-energy methalox kick stage built in Redondo Beach. Its first flight has slipped from mid-2026 to 2027. Its Mira vehicle has flown three times.
Timeline
Helios announcedAJan 2024
Joins Space Force NSSL programB2026
First Helios launchC2027
A Jan 2024 Helios announced
B 2026 Joins Space Force NSSL program
C 2027 First Helios launchIN PROGRESS