Program · United States · U.S. Army

Janus Program

Army program for privately built and operated nuclear microreactors at installations; five vendors selected in August 2026.

DevelopmentU.S. ArmyArmy Janus microreactor program

Awarded

—

Across linked awards

Awards

0 recipients

Participants5

Prime

AntaresConfirmed
BWXT Advanced TechnologiesConfirmed
General Atomics Electromagnetic SystemsConfirmed
RadiantConfirmed
Westinghouse Government ServicesConfirmed

Roles as recorded: a prime holds the contract, teammates and subcontractors build under it, competing bidders bid against it, operators field the result.

Sources1

1
Government recordArmy reaches agreement with private industry for nuclear micro-reactors
U.S. Army · Aug 26, 2026 · Supports Program, Program · program participant:antares, Program · program participant:bwxt-advanced-technologies, Program · program participant:general-atomics-electromagnetic-systems, Program · program participant:radiant, Program · program participant:westinghouse-government-services
“The five selected vendors and installations are as follows: - Antares Nuclear, Inc. – Fort Bragg, North Carolina - BWXT Advanced Technologies, LLC – Fort Campbell, Kentucky - General Atomics Electromagnetic Systems – Fort Hood, Texas - Radiant Industries, Inc. – Fort Benning, Georgia - Westinghouse Government Services – Fort Drum, New York”

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