The U.S. military deployed a high-energy laser system to shoot down three drones near the southern border this week, with officials linking the unmanned aircraft to Mexican drug cartels. The operation took place late Tuesday and early Wednesday along the U.S.-Mexican border using the Army Multipurpose High Energy Laser system.
This marks one of the first known uses of ground-based laser technology against aerial threats from criminal organizations operating near U.S. territory. Military officials said the drones posed a potential surveillance threat from cartel operators seeking to monitor Border Patrol movements.
What the Left Is Saying
Democratic lawmakers and civil liberties groups are closely monitoring the deployment, with some raising questions about the legal authorities governing directed-energy weapons use in domestic law enforcement contexts. Representative Joaquin Castro of Texas noted concerns about escalation along the border, saying that "while countering cartel surveillance is a legitimate security objective, we must ensure proper oversight of new military technologies being used on American soil."
Advocacy organizations including the American Civil Liberties Union have called for transparency regarding rules of engagement for counter-drone operations. The groups argue that clear guidelines are needed to prevent mission creep as military assets become more integrated into border security operations.
What the Right Is Saying
Republican lawmakers and defense hawks praised the deployment as a necessary advancement in countering sophisticated cartel tactics. Senator John Cornyn of Texas said in a statement that "cartels have been using drones for surveillance and smuggling operations for years, and it's past time we had the technology to stop them."
Border security advocates argue that cartels increasingly rely on aerial reconnaissance to evade detection, making directed-energy weapons a critical tool. The American Border Control Foundation called it "a game-changer" in the ongoing effort to disrupt cartel operations before they reach U.S. soil.
What the Numbers Show
The Army Multipurpose High Energy Laser system is designed to engage drones, mortar rounds, and other aerial threats at ranges of up to several hundred meters. Military officials said the three drones were brought down without collateral damage during the overnight operation.
Cartel drone activity near the southern border has increased significantly over the past two years, according to Customs and Border Protection data. The agency reported more than 1,400 drone sightings in fiscal year 2025 along the southwest border, a figure that represents a sharp rise from previous years when such incidents were relatively rare.
The Bottom Line
The laser deployment signals an escalation in how U.S. military technology is being brought to bear against non-state criminal actors rather than conventional adversaries. Officials say the operation was authorized under existing counter-drone authorities, but the use of directed-energy weapons on American soil will likely prompt additional congressional scrutiny.
Military officials are expected to provide more details about the operation in coming days. Lawmakers from both parties have expressed interest in understanding the legal framework governing such deployments and whether expanded authorities may be needed as cartel drone capabilities continue to evolve.