The U.S. Southern Command announced that next Monday, the 41st edition of the bilateral military exercise Southern Vanguard 2027 (SV27) will begin in Colombia. This exercise will run until mid-November with approximately 800 personnel from both countries.
According to the official announcement, approximately 350 U.S. military personnel and more than 400 soldiers from the National Army of Colombia will participate in joint simulated operations at the Tolemaida Military Fort, located in the municipality of Nilo, Cundinamarca department.
The training scenarios will cover maritime interdiction, land security operations, cyber defense, counter-narcotics response, illegal mining, and threats related to the use of drones.
The exercise combines a command post component with field training, and it is sponsored by Southern Command and directed by the U.S. Army Command for the Western Hemisphere. As a preparatory activity, a medical evacuation drill is scheduled to take place between Tolemaida and the Cavalry School in Bogotá this Friday, October 30.
Southern Vanguard is a series of annual exercises with a long-standing history in the hemisphere. Its earliest documented editions took place in Tolemaida in 2019, at Fort Polk (Louisiana) in 2021, again in Colombia in 2022 with over 300 personnel, and in Brazil in 2023 with troops from the 101st Airborne Division of the U.S. Army.
Although the SV27 exercise does not have a directly verifiable relationship with the pressure policy on Cuba, it is part of the broader pattern of strengthening regional alliances that characterizes the security stance of the Trump administration in the Western Hemisphere.
This pattern includes the creation in August 2026 of the Joint Task Force for the Western Hemisphere (JTF-WHEM), the launch in March of the same year of the American Coalition Against the Cartels —also known as Shield of the Americas—, and the deployment of over 8,100 military personnel in Puerto Rico during the current year.
This is joined by the arrival of coastal combat ships at the Guantanamo naval base in September and the combat evaluations of the Marines in Puerto Rico conducted this month.
The strategic posture document for 2026 from the United States Southern Command identifies the growing influence of China, Russia's military activities, and networks linked to Iran as threats to U.S. interests in the hemisphere, specifically mentioning Nicaragua's cooperation with Moscow.
Although the text does not directly identify the Cuban regime as an adversary, the 2025 report does pay specific attention to Cuba and Nicaragua, particularly regarding their strategic ties with those powers.
In this context, Trump signed an executive order in January 2026 that labeled the policies of the Cuban regime as a "unusual and extraordinary threat" to U.S. national security.
Southern Command described the exercise's objective as "strengthening regional security and operational readiness" through "combined simulated operations," in line with the administration's strategy to consolidate alliances with partners in the hemisphere in the face of common threats.
Colombia is the most frequent partner in the Southern Vanguard series and the primary ally of Washington on the continent for operations against drug trafficking and terrorism, making Tolemaida the natural reference point for these bilateral exercises.
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