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United States United States · Fort Worth, TX · 32.756, -97.332 (approximate location)

ASTR Aerospace Systems Test

ASTR Aerospace Systems Test, a research reactor (tank) in Fort Worth, TX, United States, with 10 MW of thermal power, operated by U.S. Air Force Nuclear Aerospace Research Facility. Decommissioned, first critical in 1954.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 12 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 36 tank-type reactors remain in operation today across 23 countries.

Country
United States
City
Fort Worth, TX
Type
Tank
Thermal power
10 MW
Operator
U.S. Air Force Nuclear Aerospace Research Facility
Status
Decommissioned
First criticality
1954

Data: IAEA RRDB · updated on Sep 3, 2026

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