 By 1514, Guerrero had achieved the rank of "nacom", a war leader who served against Nachan Chan's enemies.In 1517, Francisco Hernández de Córdoba set sail from Cuba with a small fleet, consisting of two caravels and a brigantine, with the dual intention of exploration and of rounding up slaves.The experienced Antón de Alaminos served as pilot; he had previously served as pilot under Christopher Columbus on his final voyage.