Blast from the past: The Pentagon’s updated war plan for tactical nukes

Military Times: The first sign of a 21st Century nuclear war might be command post sensors lighting up and aircraft radios buzzing as pilots notice a strange-looking cloud forming. Heat rises as ground troops a few dozen miles away feel the winds shift.

Satellite communications are out. So are some ground links.

U.S. and allied command posts can’t reach brigades in the field.

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