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Pentagon
The Pentagon announced on 2026-10-26 that it will establish 90‑day self‑sustaining bases under Operation Fortress, a plan first revealed in September. The initiative requires bases to have portable nuclear reactors, fuel, ammunition, and secure supply chains, and it builds on the 2026-10-25 FORTRESS plan that details on‑site power generation, water treatment, fuel storage and strategic supply reserves.
What to know
- The FORTRESS initiative mandates major U.S. bases to maintain independent access to electricity, water, fuel, and communications for at least 90 days. Oct 27
- The plan aims to reduce military dependence on civilian infrastructure and global supply chains in response to cyberattacks or natural disasters. Oct 27
- All major U.S. bases must sustain 90 days of power, water, fuel, and communications without civilian infrastructure. Oct 27
- The plan includes installing nuclear microreactors to provide reliable power during prolonged outages. Oct 27
- Defense Secretary Pete Hegseth announced the plan in September. Oct 26
Timeline
- Oct 27, 2026
- Oct 27, 2026
- Oct 26, 2026
- Oct 25, 2026
- Oct 15, 2026
- Apr 16, 2025





