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Soldado estadounidense en un puesto de observación junto a la frontera con México, con un dron pequeño visible en el cielo del desierto
Puesto de vigilancia en la frontera sur de Estados Unidos, donde las autoridades restringieron los vuelos no autorizados de drones y mantienen la alerta por incursiones. · EPM

United States restricts drone flights along the Mexico border

The United States restricted unauthorized drone flights along the border with Mexico from October 16, from the surface up to 400 feet.

--- The context --- Since Friday, October 16, the United States has restricted unauthorized drone flights in a strip of airspace along its border with Mexico. The measure was adopted by the Federal Aviation Administration and announced in coordination with the Departments of Transportation, War and Homeland Security. It prohibits unauthorized operations from the surface up to 400 feet in altitude, across a strip extending one nautical mile north of the border line, in the middle of official concern over the use of these aircraft in drug trafficking and surveillance activities. The decision does not come out of nowhere. It arrives while the Pentagon remains on alert over incursions by unmanned aircraft along the southern border. United States authorities have warned that drones are used to watch routes, observe the movements of border agents and move small packages of drugs, three uses that explain the pressure to control a low-altitude airspace that is increasingly contested. --- The facts --- The central numerical reference comes from March 2024, when the then head of United States Northern Command, General Gregory Guillot, estimated before lawmakers that incursions along the southern border probably exceeded a thousand a month. In that same appearance he acknowledged that he did not know the exact figure and that the estimate came from conversations with officials from Customs and Border Protection and the Department of Justice. The most recent figure is of a different nature. On October 5, 2026, Brigadier General Brian Filler reported that United States forces had detected 378 incursions during the previous 30 days. It is a count of detections, not of distinct aircraft: the same drone can be detected more than once, as the Army itself has explained when describing the operational challenge at the border. The operational response combines surveillance, detection and interception. The Army has tested radars, interceptor drones, autonomous armed systems and directed-energy technology. In September, according to journalistic reports, United States forces used a high-energy laser system to bring down drones at the border, and military officials said activity in the Rio Grande Valley fell by approximately 75% after the first interventions, carried out on August 25 and 26. During August, approximately 100 drones that authorities considered linked to cartels were shot down, according to a senior Department of War official. The use of these weapons has also raised air safety concerns. In February, the Federal Aviation Administration temporarily suspended flights at the airport in El Paso, Texas, after Customs and Border Protection used the laser system before the corresponding aeronautical safety review had been completed. The restriction was lifted hours later, following intervention by the White House. --- The positions --- For Washington, the restriction is meant to give its authorities more room to identify and intervene against aircraft that represent a risk. The measure does not establish that all detected drones are operated by criminal organizations, and official information itself underlines the distinction: not every detected incursion belongs to a cartel or implies a crime. On the Mexican side, the documented evidence shows a real expansion of the criminal use of these aircraft. Journalistic investigations have documented that criminal organizations use them to move synthetic drugs, watch routes and the movements of security forces, support irregular migrant crossings and carry out armed attacks, as well as adapting commercial aircraft to carry explosives. As of August 21, 2026, a specialized organization had recorded drone attack incidents in 17 Mexican states, with Michoacán, Guerrero and Sinaloa as the states with the most cases. --- What remains unknown --- There is no single updated public figure for confirmed incursions, nor a verified attribution aircraft by aircraft. It is also unknown what proportion of the recent 378 detections corresponded to authorized flights, navigation errors or criminal activity. In Sinaloa, seizures in October located components to assemble aircraft, rolls of fiber optics and batteries, but the Secretary of Defense, Ricardo Trevilla Trejo, clarified that the pieces were not complete drones and had no mechanisms to launch explosives, a nuance that separates the finding from any early conclusion. --- Unanswered questions --- Several questions remain unanswered by the authorities with complete data. How many of the incursions detected in the last 30 days were attributed with evidence to criminal organizations? What criteria separate an accidental incursion from a drug trafficking surveillance operation? How long will the temporary flight restriction along the border stay in force? What safeguards will prevent the use of laser systems from interfering again with civil aviation, as happened in El Paso? Without those answers, the exact dimension of the phenomenon will keep depending on partial estimates. --- EPM analysis --- Public discussion runs the risk of merging three different levels into a single figure. An estimate made in 2024 without an exact count, a recent detection of 378 incursions in 30 days and a verified criminal attribution are not equivalent, and treating them as interchangeable inflates or reduces the phenomenon depending on the narrative. The documented takedowns, around 100 in August, and the approximate 75% fall in activity in the Rio Grande Valley after the laser interventions indicate operational capacity, but they do not turn every detection into a drug trafficking flight. The technological front is advancing in parallel. In a military exercise held in Arizona in September, defense companies presented radars, interceptor drones and automated systems designed to identify and neutralize small aircraft capable of flying at low altitude. The underlying issue is how precisely the threat can be measured and contained without eroding the safety of a shared airspace. 📌 EPM Take: In EPM's view, the restriction organizes the border sky, but its legitimacy will depend on how precisely Washington distinguishes between estimation, detection and criminal attribution. Closing an air strip is an administrative measure; turning every detected incursion into proof of a crime would be a mistake with costs for civil aviation, for lawful uses and for the bilateral relationship. The available evidence shows a real and documented risk, although still measured with partial figures from different moments. An effective response requires technology, yes, but also verifiable public data, air safety protocols without exceptions and effective coordination with Mexico.
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