Answer :

President Kennedy canceled the second air strike of B-26 bombers on April 17, 1961. This decision was made during the Bay of Pigs Invasion.

The second air strike of B-26 bombers was planned to support the CIA-backed Cuban exile invasion force, which aimed to overthrow Fidel Castro's communist government in Cuba. President Kennedy's decision to cancel the air strike was primarily due to concerns about the operation's secrecy and the potential for negative international repercussions.

This cancellation significantly affected the outcome of the Bay of Pigs Invasion, as the lack of air support contributed to the failure of the operation. Ultimately, the invasion ended in disaster, and the event severely damaged US-Cuban relations.

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