Prometheus Engine
Digital rendering of Europe's proposed reusable rocket engine, Prometheus. Credit: ArianeGroup

WASHINGTON — European rocket builder ArianeGroup, the company leading development and production of the Ariane 5 and upcoming Ariane 6 rockets, on Sept. 4 awarded a contract to a Swedish supplier for a reusable engine program.

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Caleb Henry is a former SpaceNews staff writer covering satellites, telecom and launch. He previously worked for Via Satellite and NewSpace Global.He earned a bachelor’s degree in political science along with a minor in astronomy from Grove City College.