Category

Defunct spaceflight companies

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private launcher services provider

Armadillo Aerospace

former aerospace startup company based in Mesquite, Texas

The OTRAG rocket was a West German modular satellite-delivery rocket developed by the OTRAG company (, or ) in the 1970s and 80s. The OTRAG rocket was to become a rocket built up from several mass-produced units, intended to carry satellites with a weight of 1-10 tons or more into orbit. Mass production meant that the vehicle was projected to have been 10x cheaper than conventional vehicles of similar capability.

American private rocket engine and spaceflight development company

thumb|right|A typical Teledesic satellite design

Rocketplane Kistler

former aerospace company

Vector Space Systems

launch vehicle designer and launch service provider

Reaction Engines Limited

British aerospace company based in Oxfordshire, England