United States · Lemont, IL · 43.533, -112.945 (approximate location)

Juggernaut

Juggernaut, a research reactor (other) in Lemont, IL, United States, with 250 kW of thermal power, operated by Argonne National Laboratory. Decommissioned, first critical in 1962.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 20 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). Its declared uses include nuclear data measurements and materials testing.

Country

United States

City

Lemont, IL

Type

Other

Thermal power

250 kW

Operator

Argonne National Laboratory

Status

Decommissioned

First criticality

1962

Purpose

Nuclear data, materials testing

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