Lawfare Daily: The Military Domestic Deployment Legal Framework: Are the Laws Fit for Purpose?

Loren Voss, Public Service Fellow at Lawfare, sits down with Maj. Gen. (Ret.) Linda Singh, former Adjutant General of Maryland, and Chris Mirasola, Assistant Professor of Law at the University of Houston Law Center. They examine the legal constraints of the Posse Comitatus Act, the implications of expanding domestic deployments for civil-military relations, and key issues to watch for in future deployments. 

Mirasola clarifies the legal framework and the recent usage of the National Guard in federal and hybrid statuses, and Singh identifies areas where the law appears clear, but operational realities often blur that line. They also trace the expansion of domestic military roles—from COVID response to cyber operations and infrastructure protection—and the evolving public expectations of what the military can do. Mirasola explains what is genuinely new in law, particularly regarding scale and interpretation of authorities. Singh and Mirasola discuss the system’s reliance on norms versus enforceable legal constraints and give advice to those leading troops in future domestic deployments. They conclude by identifying key factors, such as federal versus state roles and possible involvement in elections, that we should all be tracking for the future. 

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