America's military bases prepare for 90-day doomsday scenario

The Pentagon’s FORTRESS plan aims to prepare major U.S. military bases to operate for at least 90 days without outside support during a major war. The plan covers independent utilities, stockpiled supplies, manufacturing readiness and protections for military communications and navigation.

• FORTRESS calls for major military bases in the continental United States to sustain key operations, including electricity, water, fuel and communications, for at least 90 days.· 1 source
• The plan considers portable nuclear reactors, battery storage and microgrids, and calls for reserves of items such as fuel, ammunition and medical supplies.· 1 source
• The Pentagon also plans to identify civilian factories that could shift to defense production during a crisis.· 1 source