Che Guevara
Granma invasion

The first step in Castro's revolutionary plan was an assault on Cuba from Mexico via the Granma, an old, leaky cabin cruiser. They set out for Cuba on 25 November 1956. Attacked by Batista's military soon after landing, many of the 82 men were either killed in the attack or executed upon capture; only 22 found each other afterwards. During this initial bloody confrontation Guevara laid down his medical supplies and picked up a box of ammunition dropped by a fleeing comrade, proving to be a symbolic moment in Che's life.

Only a small band of revolutionaries survived to re-group as a bedraggled fighting force deep in the Sierra Maestra mountains, where they received support from the urban guerrilla network of Frank País, 26 July Movement, and local campesinos. With the group withdrawn to the Sierra, the world wondered whether Castro was alive or dead until early 1957 when an interview by Herbert Matthews appeared in The New York Times. The article presented a lasting, almost mythical image for Castro and the guerrillas. Guevara was not present for the interview, but in the coming months he began to realize the importance of the media in their struggle. Meanwhile, as supplies and morale diminished, and with an allergy to mosquito bites which resulted in agonizing walnut-sized cysts on his body, Guevara considered these "the most painful days of the war".

During Guevara's time living hidden among the poor subsistence farmers of the Sierra Maestra mountains, he discovered that there were no schools, no electricity, minimal access to healthcare, and more than 40 percent of the adults were illiterate. As the war continued, Guevara became an integral part of the rebel army and "convinced Castro with competence, diplomacy and patience". Guevara set up factories to make grenades, built ovens to bake bread, and organized schools to teach illiterate campesinos to read and write. Moreover, Guevara established health clinics, workshops to teach military tactics, and a newspaper to disseminate information. The man whom Time dubbed three years later "Castro's brain" at this point was promoted by Fidel Castro to Comandante (commander) of a second army column.
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