Short answers, pulled from the story.
The Bay of Pigs Invasion was a failed military landing operation on the southwestern coast of Cuba in April 1961 by the United States and Cuban Democratic Revolutionary Front. The main invasion force landed on the beach at Playa Girón on the night of the 17th of April 1961.
President Dwight D. Eisenhower approved Richard Bissell's plan which included training paramilitary forces later used in the invasion. The CIA funded Brigade 2506, which also included approximately 60 members of the Alabama Air National Guard who trained the unit in Guatemala.
Operation took place at height of Cold War with the main invasion force landing on beach at Playa Girón where it overwhelmed local revolutionary militia. Eight B-26B Invader bombers attacked three Cuban airfields simultaneously on the 15th of April 1961 including San Antonio de los Baños, Ciudad Libertad, and Antonio Maceo International Airport.
U.S. president John F. Kennedy decided to withhold further air support after the international community found out about the invasion. The plan devised during Eisenhower presidency required involvement of U.S. air and naval forces without which the invading force was defeated within three days by Cuban Revolutionary Armed Forces.
The invading force surrendered on the 20th of April 1961 after being defeated within three days by Cuban Revolutionary Armed Forces. Most surrendered counter-revolutionary troops were publicly interrogated and put into Cuban prisons with further prosecution.