United States · Aiken, SC · 37.594, -121.889

NTG Nuclear Test Gage

NTG Nuclear Test Gage, a research reactor (subcritical assembly) in Aiken, SC, United States, with 1 W of thermal power, operated by DuPont Savannah River Site. Shut down, 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). 20 subcritical assemblies remain in operation today across 13 countries.

Country

United States

City

Aiken, SC

Type

Subcritical assembly

Thermal power

1 W

Operator

DuPont Savannah River Site

Status

Shut down

First criticality

1958

See also: every research reactor in United States · How research reactors work