An H3 launch failure in December may have been caused by an unusual event that led to the satellite separating from the ...
The H3 is a relatively new vehicle, with last month’s launch marking the eighth flight of Japan’s flagship rocket. The launcher falls on the medium-to-heavy section of the lift spectrum. The eighth H3 ...
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Japan’s H3 rocket lost a massive navigation satellite during launch
Japan’s newest heavy-lift rocket completed a largely successful ascent in late 2025, yet failed to deliver its payload after ...
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