Programmes and agreements / prg-us-army-janus-program
U.S. Army Janus Program for commercial microreactors on Army installations
The Janus Program is the Army's next-generation nuclear power programme to build commercial microreactors on installations through Defense Innovation Unit milestone-based contracting. The Army shortlisted nine installations in November 2025 and in August 2026 named the first five, each paired with a vendor, Fort Wainwright, Holston Army Ammunition Plant, Joint Base Lewis-McChord and Redstone Arsenal were shortlisted but not selected.
- Type
- Government programme
- Countries concerned
- United States
- Participants and roles
- Government: U.S. Army
- Government: Defense Innovation Unit
- Designs named
- —
- Scale as stated
- first five installations paired with vendors (Aug 2026), nine installations shortlisted (Nov 2025), Army goal of more…
- Announced or first reported
- 14 Oct 2025
- Status
- Active
Five installations selected with vendors (recorded as separate projects), four shortlisted installations (Fort Wainwright, Holston AAP, JBLM, Redstone Arsenal) not selected so far. - Confidence
- medium
- Last checked
- 2026-10-14 (record review date, not proof of current activity)
Related deployment projects
- Radiant Kaleidos microreactors at Fort Benning (Army Janus) — Announced · United States
- Antares R1 microreactors at Fort Bragg (Army Janus) — Announced · United States
- BWXT BANR at Fort Campbell (Army Janus) — Announced · United States
- Westinghouse eVinci at Fort Drum (Army Janus) — Announced · United States
- General Atomics GA-TES at Fort Hood (Army Janus) — Announced · United States
Sources
- Army announces next steps on Janus Program for next-generation nuclear energy (government_primary, published 18 Nov 2025, accessed 2026-10-14)
- Army names 5 bases receiving nuclear microreactors for more reliable power (reputable_press, published 27 Aug 2026, accessed 2026-10-14)