Shortly after noon, the weapon that would be used was removed from a secure assembly hut at North Field on Tinian, covered with a tarpaulin, and hauled on a trailer to a loading pit. That was the news that a group of airmen on Tinian had been awaiting. 5, 1945, the clouds that had hung over southern Japan for a week began to clear and the weather forecast said conditions would be right on Monday for daylight visual bombing.