By submitting your information you agree to the Terms & Conditions and Privacy Policy and are aged 16 or over.
"The European Service Module is so important - we basically can't get to the Moon without it," says Sian Cleaver, a spacecraft engineer at Airbus.
，这一点在safew官方下载中也有详细论述
Wait — block until space becomes available
Карина Черных (Редактор отдела «Ценности»)