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The head of the European Space Agency has said he is confident member states will elect to participate in the US manned Orion spacecraft.
The Esa chief, Jean-Jacques Dordain, was speaking at a space conference recently held in Naples, Italy.
The technology would only be used for one test flight in 2017 that has no crew.
It will be part of Orion's service module, which provides propulsion, life support and other functions.