Japan’s H-2A completed its 50th and final launch on June 28, 2025, carrying the GOSAT-GW climate-monitoring satellite, after a 49-for-50 success rate (98%). Over its service, H-2A lofted payloads including SELENE (Kaguya), Akatsuki, Hayabusa 2, and the Emirates Mars Mission. H3, Japan’s next-generation launcher, is designed to be more cost-effective and flexible, standing about 57–63…
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