BREAKING: Supreme Court Rejects Donald Trump’s Effort to Federalize the National Guard Without State Consent.

In a significant setback for President Donald Trump, the U.S. Supreme Court has ruled against his administration’s attempt to federalize National Guard troops without gubernatorial approval, effectively limiting the president’s authority to deploy them for domestic law enforcement purposes.

The 6-3 decision, issued in late December 2025 in the case stemming from Illinois, denied the administration’s emergency request to deploy troops in the Chicago area amid immigration enforcement operations.

The unsigned majority opinion stated that the government failed to show legal authority under federal statutes allowing the president to federalize the Guard to protect federal personnel and property without first exhausting regular military forces.

Critics hailed the ruling as a check on executive overreach, while the administration argued it was necessary to safeguard federal agents.

Justices Alito, Thomas, and Gorsuch dissented, warning it unduly restricted presidential power.

The decision has broader implications, prompting the withdrawal of similar deployments in other cities and reinforcing state control over National Guard units in non-emergency situations.