UPDATE Sept. 6: The Ariane 6 main stage Vulcain engine successfully completed a 4-second test firing Sept. 5, paving the way for a full 470-second, mission-duration firing in October, the three parties managing the rocket's development -- the European Space Agency, the French space agency, CNES; and prime contractor ArianeGroup -- announced Sept. 6.
LA PLATA, Maryland — Successful recent tests of Europe’s future Ariane 6 heavy-lift launcher have given government and industry program managers fresh optimism about progress toward a mid-2024 inaugural flight, which could lead to a . . .
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