
H3 with two first-stage engines and two solid boosters, its most flown version. Its first flight in March 2023 fails when the second stage does not ignite; from 2024 it launches ALOS-4, Michibiki navigation satellites and Kirameki defense communications satellites.
- Launches
- 7
- Success rate
- 71%
- 2 failures
- Builder
- MHI
- Height
- 57 m
- Diameter
- 5.3 m
- Stages
- 2
- Boosters
- 2 × H3 SRB-3
- Propellants
- Solid, LH2 / LOX
- Payload to LEO
- 13,500 kg
- Payload to GTO
- 5,400 kg
