New details have emerged regarding Japan’s H3 rocket failure last month, revealing the strange way its payload—a navigation satellite—was lost prior to reaching its target orbit.
Japan Aerospace Exploration Agency (JAXA) launched the seventh mission of its H3 rocket on December 21, 2025, carrying the Michibiki 5 satellite. Shortly after liftoff, the rocket’s second-stage engine suffered an anomaly that caused it to shut down prematurely. JAXA officials recently revealed the root…

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