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United States United States · Starkville, MS · 46.648, -119.599

RRR Raleigh Research Reactor

RRR Raleigh Research Reactor, a research reactor (homogeneous) in Starkville, MS, United States, with 100 W of thermal power, operated by Bagley College of Engineering. Decommissioned, first critical in 1953.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 11 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 15 homogeneous reactors remain in operation today across 6 countries. Its declared uses include teaching and training.

Country
United States
City
Starkville, MS
Type
Homogeneous
Thermal power
100 W
Operator
Bagley College of Engineering
Status
Decommissioned
First criticality
1953
Purpose
Teaching, training

Data: IAEA RRDB · updated on Sep 3, 2026

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