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 place in October 1962. Later the CIA grew afraid that they might demoralize their liaison partners so they did not disclose information pertaining to the policy basis that halted some operations. TARZAN was developed in order to monitor the North Vietnamese road traffic and then the findings would be taken back to the CIA. They were a sabotage team that was released near Route 2. On December 30 a sabotage team that was sponsored by SEPES was called LYRE. This was a part of the 9 teams developed that often did not go into full effect. It wasn't until November