SP-100

SP-100 (Space reactor Prototype[1]) was a U.S. research program for nuclear fission reactors usable as small fission power systems for spacecraft.

[2] It was started in 1983 by NASA, the US Department of Energy and other agencies.

[3] A reactor was developed with heat pipes transporting the heat to thermoelectric generators.

[4] The project never advanced to flight hardware and was terminated in 1994.

This article about one or more spacecraft of the United States is a stub.