Brigade 2506 Brigade 2506 Brigade 2506 (Brigada Asalto 2506) was the name given to a CIA-sponsored group of Cuban exiles formed in 1960 to attempt the military overthrow of the Cuban government headed by Fidel Castro. It carried out the abortive Bay of Pigs Invasion landings in Cuba on 17 April 1961. In May 1960, the CIA began to recruit anti-Castro Cuban exiles in the Miami area. For most recruits, infantry training was carried out at a CIA-run base code-named "JMTrax" near Retalhuleu in the Sierra Madre on the Pacific coast of Guatemala. In November 1960, with Gregorio Aguilar Matteo spearheading training
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