RETROSPECT

Project Orion: Deep Space Force

By George Dyson

The Moon was in; Saturn and Mars were out.

The first part of this article, “Project Orion: Saturn by 1970,” appeared in MAKE, Volume 12. It detailed the development in the late 1950s of Project Orion, an interplanetary spaceship to be powered by nuclear bombs. This portion of the article covers the envisioned deployment, closer to Earth, of a Deep Space Force. Orion was never built. Adapted from the book Project Orion, with new material.

Image “Although the ORION propulsion device embraces a very interesting theoretical concept, it appears to suffer from such major research and development problems ...

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