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,
Allegations of CIA assistance to Osama bin Laden Ali Mohamed, and that it knew Ali occasionally took trips to Afghanistan, where he claimed to fight Russians. According to journalist Lawrence Wright who interviewed U.S. officials about Ali, the Egyptian did tell his Army superiors he was fighting in Afghanistan, but did not tell them he was training other Afghan Arabs or writing a manual from what he had learned from the US Army Special Forces. Wright also reports that the CIA failed to inform other US agencies that it had learned Ali, who was a member of Egyptian Islamic Jihad, was an anti-American spy. Allegations of CIA assistance