Pentagon plan would create National Guard ‘reaction force’ for civil unrest - The Washington Post

The plan calls for 600 troops to be on standby at all times so they can deploy in as little as one hour, the documents say. They would be split into two groups of 300 and stationed at military bases in Alabama and Arizona, with purview of regions east and west of the Mississippi River, respectively.

Cost projections outlined in the documents indicate that such a mission, if the proposal is adopted, could stretch into the hundreds of millions of dollars should military aircraft and aircrews also be required to be ready around-the-clock. Troop transport via commercial airlines would be less expensive, the documents say...

https://www.washingtonpost.com/national-security/2025/08/12/national-guard-civil-unrest/