Maezawa, a founder of online fashion site Zozo Inc, returned to Earth on Dec. 20, 2021 after a 12-day journey into space, ending a practice run for his planned trip around the moon with Elon Musk's SpaceX in 2023.

(This story has been corrected to fix the return date to Earth in paragraph 2)

(Reporting by Mariko Katsumura; Editing by Kim Coghill)