A Nation Divided: The Legal Battle Over National Guard Deployments in 2025

A series of National Guard deployments ordered by the Trump administration to multiple U.S. cities in 2025 faced legal challenges in federal and state courts, resulting in a mixed outcome where some deployments were blocked or withdrawn while others, notably in Washington, D.C., were permitted to continue.

The deployments, which began in August 2025, involved thousands of troops and were projected by the Congressional Budget Office to cost over $1.1 billion for the fiscal year if sustained.

Washington, D.C. Deployment

President Trump initiated the deployment of hundreds of National Guard troops to Washington, D.C., in early August 2025 as part of the "Safe and Beautiful Task Force." The deployment was initiated without the consent of the city's mayor, following the President's declaration of a "crime emergency" in the city.

As of late 2025, the deployment involved over 2,100 troops from the District of Columbia and multiple states including Louisiana, Mississippi, Ohio, South Carolina, West Virginia, Georgia, and Alabama. A study by the Niskanen Center found that the deployment led to a 24% drop in property crimes but had no statistically significant effect on violent crime. The White House stated that the task force has driven down crime and improved quality of life, though evidence was not provided in the study.

Legal Status

• U.S. District Judge Jia Cobb issued a temporary order halting the deployment, ruling that "the District's exercise of sovereign powers within its jurisdiction is irreparably harmed by Defendants' actions in deploying the Guards." The order was paused until December 11, 2025, to allow the Trump administration time to file an appeal.
• The Federal Appeals Court for Washington, D.C. subsequently ruled that troops could remain deployed while a judicial panel reviews the legality of the order. The court stated that Washington, D.C.'s unique federal status provides the President with significant authority over troop deployment within the city. The judges indicated the Trump administration is likely to prevail in the broader case, potentially allowing the deployment to continue until at least February 2026.

Los Angeles, California Deployment

In June 2025, the Trump administration federalized the California National Guard under 10 U.S.C. 12406, deploying over 4,000 troops to Los Angeles during protests, against the objections of Governor Gavin Newsom. The administration stated the deployment was intended to protect federal immigration officers and facilities.

Legal Status

• A federal judge in California ruled against the deployment.
• The Ninth Circuit Court of Appeals upheld that ruling, ordering troops to withdraw.
• All troops vacated their positions in Los Angeles and were relocated to a military facility in the area for training exercises.
• On Tuesday, the Trump administration filed a court document indicating it no longer sought to pause the return of control of the California National Guard to Governor Newsom, facilitating the full return of troops to state authority.

Chicago, Illinois Deployment

The Trump administration sought to deploy National Guard troops to the Chicago area, citing what it described as ongoing violence against Immigration and Customs Enforcement (ICE) agents at detention facilities. The administration argued that the situation constituted a "rebellion or danger of rebellion" against the U.S. government.

Legal Status

• Two lower courts ruled against the administration's assertion.
• The U.S. Supreme Court denied an application by the Trump administration, refusing to reinstate the President's ability to deploy National Guard troops into Illinois without the state governor's consent.
• The Supreme Court's majority opinion stated that "the Government has failed to identify a source of authority that would allow the military to execute the laws in Illinois." The court further indicated the President did not adequately explain why the situation warranted an exception to the Posse Comitatus Act.
• Justices Samuel Alito and Clarence Thomas dissented, arguing the Court exceeded its authority and failed to explain why the President's constitutional authority to protect federal officers and property was insufficient.
• Troops were dispatched to Chicago but did not engage in street operations. The deployment was later withdrawn.

Portland, Oregon Deployment

The Trump administration attempted to deploy National Guard troops to Portland, Oregon, including an effort to send federalized California National Guard troops to the state.

Legal Status

• In early October 2025, Oregon successfully obtained a temporary restraining order against the deployment in Portland.
• When the administration attempted to deploy federalized California National Guard troops to Oregon, a second temporary restraining order was issued.
• A federal judge in Oregon issued a permanent injunction against the deployment of National Guard troops within the state.

Memphis, Tennessee Deployment

Governor Bill Lee authorized and directed the deployment of the Tennessee National Guard in Memphis, following a request from President Trump.

Legal Status

• Democratic lawmakers and officials filed a lawsuit against Governor Lee, arguing that Memphis did not meet the state constitution's criteria of "rebellion or invasion" for Guard deployment.
• Davidson County Chancellor Patricia Head Moskal ruled in favor of the plaintiffs, stating that "the Governor's authority as commander-in-chief of the Army and Militia is not without limits." The ruling was paused to allow time for the state to appeal.

New Orleans, Louisiana Deployment

As of the latest reports, a continued military presence in New Orleans, along with 200 Texas National Guard members, was expected to incur ongoing costs. No specific legal challenges were detailed in the provided sources.

Troop Levels and Costs

The Congressional Budget Office (CBO) projected that President Trump's domestic deployments of the National Guard could cost over $1.1 billion for the fiscal year if current levels were maintained.

• Current Levels: As of late 2025, the total National Guard presence in Washington, D.C., exceeded 4,800 troops from the District of Columbia, Puerto Rico, the Virgin Islands, and at least 17 states, predominantly Republican-led.
• Cost Projections:
  • The CBO estimated ongoing deployments would require an additional $93 million per month.
  • The operation in Washington, D.C., involving over 2,690 Guard members, was projected to cost upwards of $660 million for the year if it continued through December.
  • Previous mobilizations in 2025 cost approximately $496 million.
• Cost per Troop: The CBO estimated costs could range from $18 million to $21 million per 1,000 soldiers for any new deployments.

These findings were released in response to a request from 11 U.S. senators led by Senator Jeff Merkley (D-OR), who sought an independent investigation into deployment expenses.

Democratic-Led State Deployments for America 250 Celebrations

In a separate development, governors from several Democratic-led states—Kentucky, North Carolina, Michigan, and Minnesota—sent National Guard troops to Washington, D.C., to support the "America 250" celebrations marking the 250th anniversary of the United States.

• Troop Contributions:
  • Kentucky and North Carolina each sent one guard member.
  • Michigan sent over 100 troops.
  • Minnesota sent 107 troops.
  • Total: Michigan had 161 guard members in the city; Minnesota sent 107; total contributions from these four states were over 200 troops.

Legal and Operational Status

• All troops were deployed under Title 32 status, meaning the federal government funds the deployment but state governors retain command and control.
• Governors' offices stated troops were deployed only for America 250 support missions (traffic management and logistics), not for the Joint Task Force law enforcement operation.
• A video circulated showing Michigan National Guard members patrolling the Georgetown waterfront, over a mile from official America 250 events. NPR authenticated the video.
• Governor Gretchen Whitmer (D-MI) sent a letter requesting assurance that Michigan troops were solely supporting the America 250 mission. She stated she would withdraw the troops if this condition could not be met.
• Kentucky recalled its single guard member after that member was diverted to the federal task force without the governor's consent.
• Legal experts expressed concern that distinguishing between America 250 duties and the broader Joint Task Force mission was impractical, as troops may be asked to perform tasks under the task force's operational control.

Presidential Authority and Legal Frameworks

The Insurrection Act

Former President Trump stated he would invoke the Insurrection Act if Minnesota officials did not address protests targeting ICE personnel following the fatal shooting of Renee Macklin Good and the shooting of a Venezuelan immigrant by ICE agents in Minneapolis.

The Insurrection Act, enacted in 1807, grants the president authority to deploy armed forces to states to restore law and order. Unlike deployments under Title 10 or Title 32 (which generally prohibit federal military personnel from acting as police), the Insurrection Act allows military personnel to perform law enforcement functions, including making arrests and conducting searches.

The law has been invoked approximately 30 times in U.S. history, most recently during the 1992 Los Angeles riots.

The Brennan Center for Justice outlines three scenarios for invocation:

1. At the request of a state's legislature or governor in response to an "insurrection."
2. Without state consent, if "unlawful obstructions, combinations, or assemblages, or rebellion" make enforcement of federal laws "impracticable."
3. Without state support, to suppress an insurrection that hinders the execution of federal laws.

Legal experts noted that using the Act to address general crime or enforce immigration laws would depart from its historical applications and would likely encounter legal challenges.

10 U.S.C. 12406

The administration cited 10 U.S.C. 12406 to justify several deployments, a 19th-century law with minimal precedent that uses terms like "rebellion" and "invasion."

Role of the Posse Comitatus Act

The Posse Comitatus Act generally restricts the military's involvement in domestic law enforcement. Courts cited this law in blocking deployments, with the Supreme Court stating the President did not adequately explain why situations warranted an exception.

Concerns About Out-of-State Deployments

The Federal Appeals Court for Washington, D.C. , while upholding the D.C. deployment, expressed "serious doubts" about the legality of deploying out-of-state National Guard units to another state without that state governor's consent. The court described such actions as "constitutionally troubling to our federal system of government," citing attempts by the administration in Oregon and Illinois.

Official Statements

• White House Spokesperson Abigail Jackson: Stated that President Trump acted within his authority to deploy the Guard to D.C. and characterized legal challenges as attempts to undermine operations aimed at reducing violent crime.
• Gov. Gretchen Whitmer (D-MI): Requested assurance that Michigan troops were solely supporting the America 250 mission and indicated she would withdraw troops if this condition was not met.
• District of Columbia Attorney General Brian Schwalb: Contended that the D.C. deployment undermined the city's autonomy, created tension between residents and law enforcement, and negatively impacted the city's economy.
• President Donald Trump: Stated via social media that Guard troops were being removed "for now," adding, "We will come back, perhaps in a much different and stronger form, when crime begins to soar again - Only a question of time!"
• California Attorney General Rob Bonta: Noted the lack of historical precedent for the 10 U.S.C. 12406 deployments and the pressure to establish sound legal interpretation through their initial case.
• Retired Maj. Gen. William Enyart (former head of the Illinois National Guard, 2007-2012): Stated that federal court injunctions influenced the withdrawals and commented that these events demonstrated "the strength of the system of separation and balancing of powers."

Ongoing Preparations

Despite the legal outcomes, Democratic attorneys general from California, Oregon, and Illinois stated they were still preparing for potential future military deployments in U.S. cities, including the possible use of the Insurrection Act.