Uchū Kyōdai (宇宙兄弟) - Promotional Trailer

The story follows two brothers, Mutta and Hibito Nanba, who, in the summer of 2006, discovered a UFO which flew to the moon. In 2025, as Hibito has managed to become an astronaut set to go to the moon, Mutta hasn't been so successful in achieving his dream of going to Mars. That is, until he is accepted to join an astronaut training programme.