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United States United States · Lynchburg, VA · 37.390, -79.201 (approximate location)

CX-10 Babcock & Wilcox

CX-10 Babcock & Wilcox, a research reactor (critical assembly) in Lynchburg, VA, United States, with 1 kW of thermal power, operated by Lynchburg Research Center. 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
Lynchburg, VA
Type
Critical assembly
Thermal power
1 kW
Operator
Lynchburg Research Center
Status
Decommissioned
First criticality
1958
Purpose
Materials testing

Data: IAEA RRDB · updated on Sep 3, 2026

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