Observing the Japanese deliveries of troops and supplies to the island, American forces were expecting an imminent offensive by Japanese ground forces, but they were not sure where and when it would take place.
Наблюдая за японской доставкой солдат и снабжения на остров, американские войска ожидали крупного японского наступления, но не знали где и когда это произойдёт.