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Nuclear History

The SNAP-10A reactor power system

April 10, 2024, 9:31AMNuclear NewsJeremy Hampshire
Left: A technician inserts a steel tube containing fuel into the SNAP-10A reactor core vessel. (Photo: DOE) Right: A cross-section view of the reactor. (Image: DOE)

Systems for Nuclear Auxiliary Power (SNAP) was an Atomic Energy Commission program with the goal of producing a portable and dependable power source centered around nuclear technology that could be utilized in land, sea, and space applications. The program aimed to provide a compact reactor—a necessity for space applications—and ran from 1955 until 1973, when it was discontinued.

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