H3-30

H3 with three first-stage engines and no boosters, the lightest version, first flown on a test flight in June 2026.

Launches

1

Success rate

100%

0 failures

First flight

12 June 2026

H3-30 Test Flight

Builder

MHI

Height

57 m

Diameter

5.3 m

Stages

2

Propellants

LH2 / LOX

Payload to LEO

5,750 kg

Payload to SSO

4,000 kg

Payload to GTO

2,300 kg