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 Iraq the CIA stated that the handkerchief was "in fact never received (if, indeed, sent)." It added that the colonel: "Suffered a terminal illness before a firing squad in Baghdad (an event we had nothing to do with) not very long after our handkerchief proposal was considered." Although some sources depict this operation as an assassination attempt on Qasim, other sources note that this interpretation is inaccurate or unsupported by evidence, as the notion that the CIA sought the target's assassination is refuted by the plain meaning of the text itself. In addition, it is unlikely that Qasim was the intended