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The Astris was an upper stage developed by ERNO Raumfahrttechnik GmbH and MBB as the third stage of the Europa 1 launch vehicle. It was the German contribution to the project and only flew activated four times. The high failure rate of the three and four stage rocket meant that the project was cancelled.
Read the full article →Not who you're looking for? Others named Astris: in Greek mythology, one of the Heliades · European rocket engine