Why the Hell is the Pentagon Prepping for Doomsday?

The Pentagon is preparing for a scenario where America's military could have to survive 90 days without relying on civilian infrastructure. From power grid failures and fuel shortages to factories switching to wartime production, the new Fortress initiative aims to keep the military operational even if a major conflict disrupts America's supply chains. Here's what the plan reveals about the growing threats facing the U.S. homeland.