Civil-Military

Brookings warns on legal limits of putting soldiers on Los Angeles streets

| Importance: 6/10

Brookings June 26, 2025, analysis warned Trump’s deployment of 700 Marines and 4,000 federalized National Guard to LA violates Posse Comitatus Act. Trump invoked 10 USC §12406 (not Insurrection Act) claiming “inherent constitutional authority” to protect federal property. …

Brookings Institution Legal scholars Department of Defense Department of Homeland Security Trump Administration analysis civil-military insurrection-act posse-comitatus legal-analysis +2 more
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Ninth Circuit extends stay keeping LA Guard/Marine deployment in place

| Importance: 6/10

Three-judge panel (2 Trump, 1 Biden appointees) unanimously grants stay after Judge Breyer ruled deployment exceeded authority. Court finds ‘colorable basis’ under Title 10 for 4,100 Guard troops and 700 Marines in LA. Rules governors have no veto power over federal deployment. Case …

U.S. Court of Appeals for the Ninth Circuit civil-military courts emergency-powers
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Federal judge says Los Angeles Guard/Marine deployment likely unlawful

| Importance: 6/10

A federal district judge in Northern California ruled on June 12, 2025, that the Trump administration’s federalization of California National Guard and deployment of 700 active-duty Marines to Los Angeles likely violated the Posse Comitatus Act and principles of federalism. The judge found the …

U.S. District Court (N.D. Cal.) State of California Governor Gavin Newsom Department of Defense 2nd Battalion, 7th Marines +2 more civil-military courts emergency-powers posse-comitatus federalism +2 more
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USNI: Marines deploy to downtown Los Angeles

| Importance: 6/10

Defense Secretary Hegseth deployed 700 Marines from 2nd Battalion, 7th Marines (Twentynine Palms) to downtown Los Angeles on June 9, joining 2,100 National Guard troops as Task Force 51 under Maj. Gen. Sherman. Tasked with protecting federal property/personnel amid immigration protests, not law …

Defense Secretary Pete Hegseth 2nd Battalion, 7th Marines U.S. Northern Command Task Force 51 Maj. Gen. Scott Sherman +1 more domestic-deployment domestic-operations military civil-military
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California National Guard Federalized and Deployed to Los Angeles

| Importance: 8/10

President federalized California’s National Guard and deployed additional forces to Los Angeles over the Governor’s objection; includes 700 Marines deploying to downtown Los Angeles

Donald Trump California National Guard US Marines (2/7) Governor of California Pentagon state-federal-conflict posse-comitatus civil-military dhs military-deployment +7 more
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