The activation of the Joint Task Force West Hemisphere (JTF-WHEM), announced this Monday by the United States Southern Command (SOUTHCOM), was officially introduced as a new tool to combat drug cartels and other transnational threats.
However, the decision goes far beyond a simple military reorganization or a name change from the previous Task Force Southern Spear .
Viewed in the context of the decisions made by Washington over the past year, the creation of the JTF-WHEM represents the most recent step in a doctrinal shift that has placed the Western Hemisphere back at the center of U.S. security strategy.
That shift is not solely a response to the fight against drug trafficking, but also to a much broader redefinition of the threats that, according to the Trump administration, currently affect the national security of the United States.
A change that started long before
The transformation did not start with the announcement from Southern Command.
Its origin can be traced back to December 2025, when the White House published the new National Security Strategy (NSS 2025), a document that broke with the global approach of previous administrations to once again place the Western Hemisphere among the fundamental priorities of U.S. foreign and security policy.
The NSS argues that the protection of the national territory begins with ensuring the stability and influence of the United States in its own geographic environment. Under this logic, Latin America and the Caribbean regain a strategic importance that they have lacked for decades.
Two months later, the Pentagon advanced that vision through the new National Defense Strategy (NDS 2026).
The document translates that political priority into specific military objectives: reinforcing the U.S. presence in the hemisphere, protecting strategic routes, strengthening regional alliances, and limiting the influence of actors considered adversaries, such as China, Russia, and Iran.
In other words, Washington ceased to view the Western Hemisphere as a secondary stage and has again transformed it into a major area of strategic competition.
From document to action
The activation of the JTF-WHEM likely represents the most visible consequence of that doctrinal change.
So far, Southern Spear has operated as a military campaign focused on operations against transnational criminal organizations.
The new Western Hemisphere Joint Task Force transforms this campaign into a permanent structure of Southern Command, with the ability to coordinate naval, air, land, intelligence, and special operations forces alongside a coalition made up of 18 countries from the continent.
During the activation ceremony, the SOUTHCOM commander, General Francis L. Donovan, stated that the new force will apply "total systemic friction" against the networks that threaten the United States and its regional partners, and defined it as "the action arm of the Southern Command".
It's not an improvised expression.
In his appearance before Congress this year, Donovan had already identified one of the command's priorities as "imposing total systemic friction on cartels and other transnational terrorist and criminal organizations," while advocating for the need to strengthen the strategic position of the United States in the Western Hemisphere against state and non-state actors that challenge its interests.
The JTF-WHEM is, precisely, the structure created to implement that strategy.
A threat defined by different institutions
The importance of this reorganization is not solely based on the fight against the cartels.
In recent months, various American institutions have been developing a much broader definition of the threats affecting the hemisphere.
The NSS 2025 identifies the influence of rival powers in Latin America as a priority national security issue. The NDS 2026 incorporates this assessment into military planning.
The Pentagon, for its part, has publicly hardened its characterization of the Cuban regime.
During a hearing before the House of Representatives, the acting Deputy Under Secretary of Defense, Joseph Humire, stated that Cuba has been "one of the strongest intelligence adversaries" that the United States has faced and maintained that Havana's influence extends to governments and security institutions in various countries throughout the hemisphere.
Shortly thereafter, the State Department published a hundred-page report accusing the Cuban regime of maintaining a strategy of espionage, infiltration, subversion, and political influence against the United States for nearly seven decades, in addition to acting as a platform for the interests of China and Russia in the region.
This is complemented by the increasing economic sanctions, the statements from Secretary of State Marco Rubio calling for a democratic transition on the island, and the reports published by U.S. media about the planning of contingency scenarios related to Cuba, although the Pentagon itself has insisted that these exercises are part of regular military planning and do not imply a decision to intervene on the island.
FLEX2026 and the transformation of Southern Command
The creation of the JTF-WHEM coincides with a significant modernization of Southcom itself.
During the FLEX2026 exercises, held this year in the Florida Strait and the Caribbean, the U.S. Navy tested a new model of operations based on artificial intelligence, drones, autonomous platforms, and surveillance systems capable of detecting, tracking, and intercepting maritime targets in real time.
Those maneuvers demonstrated how SOUTHCOM is incorporating new capabilities to operate permanently in the hemisphere.
The new joint force now provides the necessary command structure to integrate those capabilities within a sustained campaign.
What does it mean for Cuba?
The official mission of the JTF-WHEM does not mention Cuba nor does it propose operations aimed at the Cuban regime.
However, its creation can hardly be analyzed outside the strategic context built by Washington over the past few months.
The White House has returned the Western Hemisphere to the center of its security strategy. The Pentagon has reinforced the role of Southern Command within this new doctrine.
The Department of Defense publicly identifies the Cuban regime as one of the main intelligence adversaries of the United States in the region.
And the State Department maintains that Havana continues to play a significant role within networks of influence, espionage, and cooperation with governments deemed rivals of Washington.
The JTF-WHEM is not created solely to combat that threat.
But it is part of a security architecture designed to address a set of challenges that the Trump administration considers already present in the Western Hemisphere.
From that perspective, the new military force represents much more than an administrative change.
Consolidate a strategy that combines diplomatic pressure, intelligence, regional cooperation, and a permanent military presence in the Caribbean and Latin America.
And although Cuba is not listed as a declared objective of the new structure, the tightening of the U.S. policy towards Havana inevitably makes its establishment a decision of particular interest for the Cuban regime and for the future strategic balance of the region.
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