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,
United States and state-sponsored terrorism contact secret, maintain the good will of the group, and for humanitarian reasons, $35,000 was passed". Although contact with the Viaux group was ended, a cable from CIA headquarters to the Santiago station reveals that the CIA did arrange the delivery of submachine guns and ammunition to a group led by General Valenzuela; Schneider was shot later that same day. The weapons, along with $50,000, were later recovered by U.S. military attaché to Chile Colonel Wilmert after he "pistol-whipped" General Valenzuela, who at first refused to hand the money over. Wilmert then drove to Viña del Mar, where he threw