The attacks were an operation that must have required months of planning: serious weapons were deployed, a small army was mobilized, targets were studied, transport was organized, and weak points identified.
Los ataques fueron una operación que debe de haber precisado de meses de planificación: se utilizaron armas de gran calibre, se movilizó un pequeño ejército, se estudiaron los objetivos y se identificaron los puntos débiles.