The US has escalated pressure on Cuba following the federal indictment of Raúl Castro for the 1996 shootdown of civilian aircraft.President Donald Trump and Secretary of State Marco Rubio have warned that military intervention remains a possibility due to Cuba's strategic ties with Russia and China.The administration has simultaneously deployed the USS Nimitz to the Caribbean while maintaining harsh energy sanctions against the conglomerate GAESA.Cuban leadership has dismissed the legal charges as a pretext for foreign aggression while calling for an end to the ongoing economic blockade.