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22 States, Including Arizona, Challenge President Trump's National Guard Deployment in California

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Published on June 14, 2025
22 States, Including Arizona, Challenge President Trump's National Guard Deployment in CaliforniaSource: Gage Skidmore, CC BY-SA 3.0, via Wikimedia Commons

Arizona has taken a stand with 21 other states in opposition to President Donald Trump's decision to deploy the National Guard in California, citing concerns over the legality and constitutionality of such action. In a move that consolidates voices from across the country, Attorney General Mayes has put forth an amicus brief supporting California's plea to block this federal mandate, which many state leaders believe undermines civil liberties and disrupts the critical services that the National Guard provides to their respective states.

"The president’s decision to federalize and deploy California’s National Guard without the consent of California state leaders is unlawful, unconstitutional, and undemocratic,” Attorney General Mayes stated. This response aligns with a broader sentiment that the military should remain subordinate to civilian oversight, a foundational American principle, acknowledged by several officials. Notably, the brief indicates Trump's memo does not limit these actions to Los Angeles or any specific region but implies an unfettered presidential power to activate the National Guard across the nation for 60 days.

States joining the brief, led by Washington Attorney General Nick Brown and Delaware Attorney General Kathy Jennings, share a concern for safeguarding constitutional rights and ensuring their National Guards can continue providing essential services such as responding to natural disasters and cybersecurity support. According to the brief, "This unlawful federalization pulls volunteer service members away from performing vital services, and states are not in a position to replace them." In effect, the federalization risks depleting state resources and jeopardizing public safety.

The grouped effort features a diverse assembly of attorneys general, from Colorado to New York, banding together in support of this argument. "Every state has an interest in protecting their residents from these threats," the brief cautions, emphasizing the national ramifications of Trump's military mobilization. Kansas Gov. Laura Kelly has also expressed her support. The joining states express a collective need to shield their citizenry from what they picture as an unnecessary and legally indefensible use of military force.

The overarching consensus among the opposing states is that collaborative efforts between federal and state powers should prioritize community safety over what is perceived as aggressive military intervention in domestic affairs. For updates on this developing story, readers can refer to the Arizona Attorney General's official statement.