History of Cuba 20 April, the brigade surrendered and was publicly interrogated before being sent back to the US. Recently inaugurated president John F. Kennedy assumed full responsibility for the operation, even though he had vetoed the reinforcements requested during the battle. The invasion helped further build popular support for the new Cuban government. The Kennedy administration thereafter began Operation Mongoose, a covert CIA campaign of sabotage against Cuba, including the arming of millitant groups, sabotage of Cuban infrastructure, and plots to assassinate Castro. All this reinforced Castro's distrust of the US, and set the stage for the Cuban missile crisis. Tensions between
Cuban Missile Crisis fire only on groups of two or more. At 6:00 am EDT on October 27, the CIA delivered a memo reporting that three of the four missile sites at San Cristobal and the two sites at Sagua la Grande appeared to be fully operational. It also noted that the Cuban military continued to organize for action but was under order not to initiate action unless attacked. At 9:00 am EDT on October 27, Radio Moscow began broadcasting a message from Khrushchev. Contrary to the letter of the night before, the message offered a new trade: the missiles on Cuba would