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 Angola before Congress and wrote in his memoirs. Cuba made the decision to send troops without informing the Soviet Union and deployed them, contrary to what has been widely alleged, without any Soviet assistance for the first two months. "In a meeting including President Ford, Secretary of State Kissinger, Secretary of Defense James Schlesinger, and CIA Director William Colby among others, U.S. intervention in Angola's civil war is discussed. In response to evidence of Soviet aid to the MPLA, Secretary Schlesinger says, "we might wish to encourage the disintegration of Angola.” Kissinger describes two meetings of the 40 Committee oversight group