Key Takeaways
- The deployment of National Guard and active-duty Marine forces cost $496 million.
- Continued deployments would cost approximately $93 million per month.
- Estimated costs depend on the cost-of-living in deployed cities.
The Congressional Budget Office estimates that National Guard deployments to US cities cost American taxpayers around $496 million in the last six months of 2025. If these deployments continue at end-of-2025 sizes, it would cost approximately $93 million per month. The exact cost depends on the cost-of-living in deployed cities. According to Breaking Defense, this information was revealed in a letter sent in response to an inquiry by Sen. Jeff Merkley. Further details are needed to determine the future of domestic deployments and their impact on defense spending.