Japan's H3 Rocket Soars Again With Cost-effective Variant
WHO:
ABC News - Japan Aerospace Exploration Agency (JAXA) and Mitsubishi Heavy Industries are co-developing the H3 rocket.
WHAT:
The Japan Times - The H3 rocket's "30 configuration" is expected to be the lowest-cost model in the H3 series.
ABC News - Japan’s H3 rocket successfully returned to flight with the debut of a new low-cost variant.
The Japan Times - H3 Launch Vehicle No. 6 lifted off and reached its target orbit approximately 16 minutes later.
ABC News - The H3 rocket carried six small satellites developed by universities and other organizations, which were believed to be successfully separated.
ABC News - The mission marked the sixth successful launch of the H3 rocket after two previous failures.
WHERE:
ABC News - The H3 rocket took off from the Tanegashima Space Center located on a southwestern Japanese island.
The Japan Times - The launch occurred in Kagoshima Prefecture, Japan.
WHEN:
The Japan Times - The H3 rocket lifted off at 9:53 a.m. on the day of the event.
The Japan Times - The H3 rocket reached its target orbit approximately 16 minutes after launch.
The Japan Times - The H3 rocket launched at 9:53 a.m. on the day of the event.
ABC News - The H3 rocket's debut flight occurred in March 2023.
ABC News - The H3 rocket was grounded since December following a failed mission.
ABC News - A Mars mission is planned for 2028.
WHY:
ABC News - The new low-cost variant is intended to make the H3 series more competitive in the global space market, which is dominated by Elon Musk’s SpaceX.
ABC News - Japan views a stable, commercially competitive transport capability as key to its space program and national security.
HOW:
ABC News - The H3's new “30 configuration” is equipped with three first-stage liquid-fueled LE-9 engines and no solid rocket boosters.
ABC News - The H3's new “30 configuration” is equipped with triple liquid-fuel LE-9 engines and no rocket boosters, designed to be a low-cost version.
ABC News - JAXA and Mitsubishi Heavy Industries aim to launch the H3 six to eight times annually.
(UPDATED June 12, 2026 21:32 UTC)
The H3 rocket successfully lifted off at 9:53 a.m. and reached its target orbit about 16 minutes later. This launch featured the H3's new "30 configuration," which is designed to be the lowest-cost model in the H3 series and is powered by three first-stage liquid-fueled LE-9 engines without any solid rocket boosters. The innovative design aims to enhance accessibility and affordability in space exploration.
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(UPDATED June 12, 2026 12:08 UTC)
The Japan Aerospace Exploration Agency, or JAXA, along with Mitsubishi Heavy Industries, has successfully returned the H3 rocket to flight with the introduction of a new low-cost variant. The H3 Launch Vehicle No. 6 lifted off from the Tanegashima Space Center in Kagoshima Prefecture, reaching its target orbit about 16 minutes later while carrying six small satellites that were developed by various universities and organizations. This mission marks the sixth successful launch of the H3 rocket after two previous failures, and JAXA and Mitsubishi Heavy Industries plan to conduct six to eight launches annually, with a Mars mission scheduled for 2028.