The Trump administration's January 2026 fuel blockade and executive order designating Cuba an extraordinary national security threat have intensified economic pressure on Havana, triggering severe shortages and a deepening crisis that has prompted mixed U.S. signals of both negotiations and potential force. Pentagon planners have reviewed contingency options including carrier strike group deployments, surveillance overflights, Marine rotations, and air assault scenarios involving units such as the 101st Airborne, while indictments against former Cuban leaders and intelligence reports on Cuban drone acquisitions from Russia and Iran have heightened tensions. Military assets remain positioned in the Caribbean amid the parallel Iran conflict, with SOUTHCOM increasing readiness and Guantánamo Bay security measures, yet officials stress no operational decision has been reached. Traders weigh these developments against ongoing diplomatic contacts, Cuba's rejection of regime change demands, and the political costs of escalation in an election cycle.