When this launch?
The H3-30 configuration was originally scheduled to be launched in the fall of 2025 as the H3 rocket No. 6, ahead of the recently successful No. 7 24 configuration. However, on July 24, 2025, a Captive Firing Test (CFT) was conducted using the actual rocket on the launch pad at Tanegashima Space Center (Minamitane-cho, Kagoshima Prefecture), in which the engine combustion was performed in the same environment as at launch. This revealed insufficient pressure in the first stage liquid hydrogen and liquid oxygen tanks. This led to the postponement of the launch. Another ground firing test will be conducted early in 2026, with the aim of launching within fiscal year 2026.
