
Light Lift Vehicle
VANGUARD-1
Our workhorse vehicle for dedicated small and medium satellite launches. Optimized for LEO and SSO missions with rapid turnaround capability. Flight-proven across 100+ missions.
32 m
Height
2.6 m
Diameter
450 kg
Payload to LEO
100+
Missions Flown
Technical Overview
First Stage
Engines5× OEX-1 (staged combustion)
PropellantLOX / RP-1
Thrust (SL)425 kN total
Burn Time162 seconds
RecoveryPropulsive landing on drone ship
Reuse Target10+ flights per booster
Second Stage
Engines1× OEX-1V (vacuum optimized)
PropellantLOX / RP-1
Thrust (Vac)95 kN
Burn Time380 seconds
RestartsUp to 3 in-flight
Fairing2.6 m diameter, composite
Mission Profiles
LEO (500 km)
Payload450 kg
InclinationAny
SSO (600 km)
Payload320 kg
Inclination97.8°
Polar (800 km)
Payload280 kg
Inclination90°
