H3 successfully returns to flight

spacenews.com Jun 12, 2026

H3 successfully returns to flight

Curated by Shubham · TechCapsules · Jun 12, 2026

AI-summarised brief · reviewed before publication

Japan's H3 rocket successfully launched on June 11, marking its first flight since a failure in December. The H3-30S variant, with three LE-9 engines in its first stage, carried six small satellites into orbit, including BRO-22, a maritime tracking spacecraft from French company Unseenlabs. The launch was a test flight of the new configuration and a return to flight for the rocket, which had previously failed to place its payload into orbit due to a problem with the upper stage.

💡 Why It Matters

· The return to flight of the H3 clears the way for key missions, including the launch of the Martian Moons eXploration mission to return samples from the Martian moon Phobos, scheduled for late this year.
· This success also underscores Japan's strategic partnership with France, as Unseenlabs' BRO-22 satellite becomes the first non-Japanese-built satellite to launch on the H3.

Capsules Space

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