Yokoi carried on alone for the next eight years, working his shrimp traps, herding his cane toads, and watching strange planes he would later learn were called jets rumble above his tunnel entrance. Two more would eventually emerge, one a swashbuckling Japanese officer who surrendered his sword in a melodramatic ceremony in the Philippines two years after Yokoi’s discovery, and the other an ethnic Taiwanese who had been drafted into the Japanese army and was found farming in Indonesia in late 1974.