United States United States · Dawsonville, GA · 34.417, -84.117 (approximate location)

Lockheed Critical Experiment Reactor

Lockheed Critical Experiment Reactor, a research reactor (critical assembly) in Dawsonville, GA, United States, with 80 W of thermal power, operated by Georgia Nuclear Aircraft Laboratory. Decommissioned, first critical in 1958.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 16 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 44 critical assemblies remain in operation today across 12 countries. Its declared uses include materials testing.

Country
United States
City
Dawsonville, GA
Type
Critical assembly
Thermal power
80 W
Operator
Georgia Nuclear Aircraft Laboratory
Status
Decommissioned
First criticality
1958
Purpose
Materials testing

Data: IAEA RRDB · updated on Sep 3, 2026

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