PARIS — The Ariane 6 heavy-lift rocket, with its inaugural flight now planned for late-2023 — with early 2024 just as likely — is more than three years late.
Who is paying for the associated cost increases?
There’s no easy answer. Cost overruns that are the responsibility of contractors have been combined with design improvements ordered by the 22-nation European Space Agency (ESA) and are difficult to separate in ESA accounts.
In addition, Ariane 6 contractors have argued that they should not . . .
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