The US military prepares for a "doomsday" war on US soil with a 90-day survival plan: The Pentagon's Fort America plan calls for establishing nuclear reactors, fuel reserves, equipment, critical munitions and alternative supply chains for the military in case civilian infrastructure collapses in a future war.

The US military prepares for a "doomsday" war on US soil with a 90-day survival plan: The Pentagon's Fort America plan calls for establishing nuclear reactors, fuel reserves, equipment, critical munitions and alternative supply chains for the military in case civilian infrastructure collapses in a future war.