Timeline of United States military operations communist attack on a U.S. installation in central Vietnam, the United States escalated its participation in the war to a peak of 543,000 military personnel by April 1969. 1961: Cuba: The Bay of Pigs Invasion, known in Hispanic America as Invasión de Bahía de Cochinos (or Invasión de Playa Girón or Batalla de Girón), was an unsuccessful military invasion of Cuba undertaken by the CIA-sponsored paramilitary group Brigade 2506 on April 17, 1961. 1962: Thailand: The Third Marine Expeditionary Unit landed on May 17, 1962 to support that country during the threat of Communist pressure from outside; by July 30,
CIA activities in Vietnam did not have any success with integrating its constituent parts. The CIA’s experiment with the NSDF fizzled out and lasted about a year. Thieu did not want to turn pacification into a political task and would offer no supplemental ideology or program to replace Communism in Vietnam. Katrosh wanted Theiu and Ky to get along, so that "there would finally be political cohesion in south Vietnam",and ended up using the CIA as the main proponent to help make this happen. Eventually, Katrosh was successful in bringing the two together for the Lien Minh inauguration. Theiu did not want to be