The U.S. Army Reserve is examining whether it can provide the military’s Southern Command with police forces, medical personnel and other support units within the next four months, according to an internal Army message reviewed by CBS News.
Though the message makes no reference to Cuba, the request is for continued military planning aimed at Cuba, according to multiple U.S. officials who spoke to CBS News under condition of anonymity because they were not authorized to speak publicly.
There is no indication in the document that any units have received deployment orders. But the planning comes as the Trump administration puts intense economic pressure on Cuba and urges the island nation to make political reforms.
The message does not identify how many troops would be needed in the Southern Command’s region, which covers Central and South America, including the Caribbean. It also does not specify where the forces could be sent or what operation they would support.
The document reviewed by CBS News says Army Reserve headquarters is seeking feedback from subordinate commands on the possible availability of six types of formations that would fall under the authority of U.S. Southern Command. The units would “possibly [be] needed in 90-120 days,” according to the message, which directs commands to provide feedback to Army Reserve headquarters by Sept. 25.
Among the units is a combat sustainment support battalion that specializes in coordinating logistics such as transportation, maintenance, fuel and supply needs, along with an engineer battalion. The document also seeks an expeditionary sustainment command that would oversee logistics across a theater of operations.
The document generated last week also calls for a medical brigade to command and coordinate medical units, as well as a forward resuscitative and surgical detachment to provide emergency surgery and trauma care closer to U.S. forces. Finally, the document seeks a military police brigade — these units typically oversee military police forces responsible for security, detention and other law enforcement missions.
Contacted by CBS News, the Army Reserve did not respond before publication.
A spokesperson for U.S. Southern Command said: “Due to operational security concerns, we do not disclose details or comment on U.S. operational movements or potential deployment timelines associated with current or future operations, contingencies, or planning. However, U.S. Southern Command continuously coordinates with the Joint Force to assess a range of potential requirements across its [area of responsibility] in support of assigned missions.”
Earlier this year, American forces conducted reconnaissance operations on the seafloor and maritime approaches surrounding the Cuban island, multiple U.S. military personnel told CBS News. Separately, U.S. airpower components were placed on heightened readiness and directed to pre-stage personnel for potential deployment. Those plans, however, did not come to fruition. CBS News is withholding certain details from publication that could potentially put U.S. service members at risk.
CBS News reported in May that U.S. intelligence officials were assessing how Cuba would respond to possible U.S. military action, as the Trump administration accused Havana of strengthening ties with Russia, China and Iran. The intelligence community’s 2026 annual threat assessment largely portrays Cuba as an enabling environment for larger geopolitical competitors, rather than as an independent strategic threat.
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