Helios 2B Launch Deferred Because of Vulcain Cracks
Liftoff of France’s Helios 2B infrared/optical imaging spacecraft, expected in the spring, has been deferred until the fall due to problems with the Ariane 5G’s Vulcain I main stage engine, according to French defense ministry officials. Safran executives say the Vulcain I problem—microcracks...
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