The invasion was a failure and most of the attackers were captured or killed. There were several conflicts that led to this; including a lack of promised air support and a change in where the landing was to be launched. This was one of many unsuccessful attempts by the CIA to rid Cuba of Castro. One interesting fact is that the plan was originally put in motion by Eisenhower, but the attack was ordered by John F. Kennedy who only found out about the plan after his election.
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Bay of Pigs Invasion Facts for Kids. Kiddle Encyclopedia.