Nonprofits Sue to Overturn New Mexico Military Land Order
A coalition of groups challenges the federal government over the military control of over 100,000 acres of public land.
Updated on Oct. 26, 2026 in Military

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A coalition of nonprofits has filed a federal lawsuit to challenge the designation of 109,651 acres of public land in New Mexico as a military installation. The legal action seeks to reverse the transfer of jurisdiction from the Department of the Interior to the War Department.
Why it matters
The military designation allows troops to detain individuals on the land for trespassing, marking a shift in immigration enforcement in the area. The lawsuit questions the federal government's authority to use emergency powers to reassign public land management to the military.
The New Mexico National Defense Area encompasses 109,651 acres of public land and serves as an expansion of Fort Huachuca. The military designation is currently scheduled to remain in place for a total of three years.
The players
New Mexico Wildlife Federation
This is a non-profit organization dedicated to the protection of wildlife and public lands across the state of New Mexico.
Battalion Search and Rescue
This group conducts humanitarian search operations in border regions to assist those in life-threatening distress.
Southern Border Communities Coalition
This alliance brings together organizations from across the U.S.-Mexico border to advocate for policies that improve quality of life and safety.
Fort Huachuca
This is a major United States Army installation located in Arizona that serves as a center for intelligence and training.
The details
The administration began deploying troops to the border region in March 2025, eventually transferring control of the land in April 2025. Plaintiffs in the suit include the New Mexico Wildlife Federation, Battalion Search and Rescue, and the Southern Border Communities Coalition, the latter of which has identified over 100 migrant death sites in the area.
Timeline
March 2025: The Trump administration began sending troops to the border region.
April 2025: The War Department officially assumed jurisdiction over 109,651 acres of land.
October 2026: Nonprofits filed a federal lawsuit to challenge the military designation.
Political Context
The designation of the New Mexico National Defense Area represents a significant departure from standard Department of the Interior public land management. Opposition groups argue this use of emergency powers sets a dangerous precedent for federal control of state-adjacent natural resources.
Residents and visitors in the affected border area may face restricted access to public lands that were previously under civilian management. The designation grants military personnel the authority to detain individuals for trespassing, altering the standard public use of these grounds.
The takeaway
The ongoing litigation highlights the legal tension between military border security operations and traditional public land access. Residents and advocacy groups continue to monitor how these emergency powers will affect the management of the 109,651 acres currently under military jurisdiction.
Further reading
For more background on the status of military installations in the region, visit New Mexico Military.
Source note: This article includes information reported by LifeZette.
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