By January 1961, the CIA had tried and failed to assassinate Castro several times
The CIA convinced Kennedy to go to military intervention to reinstate Bastida‘s government was necessary
The CIA assured Kennedy, that the military intervention could be stage as a Cuban revolt with the Cuban exiles trained in Querida, well warfare, distinguished American planes for forming a huge support within Cuba for Batista
However, cashier was aware of the plans and his government was popular. Most Cubans did not want Batista back.
The first airstrike on April 15, 1961, by disguised bombers missed most of its targets the planes were photographed and the American involvement was made known Kennedy cancelled the plan for a second airstrike
On April 17, 1961, the exile army of about 1400 invaded at the Bay of pigs. It faced heavy air attacks and about 20,000 of Castro’s troops: Kennedy dispatched air support Arrived too late: the outnumbered unsupported exile army surrendered.
The bay of pigs invasion was a total failure, ending all chances of a diplomatic resolution between the USA and Cuba