Mexico has dispatched 500 military personnel, comprising troops from both the Army and the National Guard, to five municipalities in Tamaulipas, a state that shares a border with the United States, according to the Secretariat of National Defense and Foreign Affairs.
US and Mexican military authorities coordinated a joint operation to combat drug and human trafficking, resulting in a concurrent military mobilization.
The military operation utilized a range of advanced technologies, including UH-60 Air Force helicopters, unmanned aerial vehicles, and mobile anti-drone systems equipped with semiconductor technology.
On October 3, 2026, military commandos from the 11th military region in Torreon, Coahuila, and the 8th military zone in Reynosa, Tamaulipas, established communication with their counterparts in the United States Joint Task Force 'Southern Frontier' to facilitate coordination and ensure a seamless link for the operation.
Mexican forces were stationed in their designated territories, with a presence also observed in the municipalities of Nueva Ciudad Guerrero, Mier, Miguel Alemán, Camargo and Díaz Ordaz in the state of Tamaulipas.
Approximately 500 US Armed Forces personnel were deployed near the Texas border on Friday, prompting a response from Mexico, following a shooting incident against the Mexican Coast Guard in Garceno, Texas, the previous weekend.
The Mexican government announced on Saturday that the deployment of U.S. military forces along the Rio Grande Valley is part of coordinated "mirror operations" between Mexico and the United States, as confirmed by the Secretariat of Navy (Semar) and the Ministry of Foreign Relations (SRE).
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