Federal military deployment for domestic law enforcement represents severe constitutional damage across multiple dimensions. Rule_of_law (4.5): Direct violation of Posse Comitatus principles and civilian law enforcement norms. Separation (4.5): Executive branch deploying military force domestically without clear legislative authorization blurs constitutional boundaries. Civil_rights (4.0): Military presence in civilian spaces creates chilling effects on assembly, movement, and due process. Capture (3.5): Normalizes executive control of military for domestic political purposes. Violence (2.5): Implicit threat of military force against civilians. High severity multipliers reflect dangerous precedent (1.3) for future administrations, moderate durability (1.2) as deployment could extend, and reversibility concerns (1.1). Mechanism modifier 1.3 for enforcement_action with military assets. Scope 1.15 for multi_state broad impact. B-score elevated by outrage potential (4.0) and media coverage (4.5) of military in streets, with moderate intentionality (6/15) suggesting strategic timing. D-score +19.41 indicates primary constitutional threat, but both scores exceed 25 making this Mixed territory - genuine damage with significant attention warranted.