In June 2017, the pilot's nafuda, a set of seven wooden sticks that carried the names of Nishikaichi's colleagues, the identifying markings of his Zero and his administrative command, was returned to his family in Japan.
For many years, Nishikaichi's remains were those of an unknown Japanese soldier, and it was not until 1956 that the circumstances of his death were revealed to his family, and they claimed his ashes.