Orion was originally intended to serve as a crew capsule for the Constellation program, an ambitious NASA project to return humans to the moon and eventually create a full-time lunar base.

奥赖恩太空船原本打算作为星座计划(美国航天局的一项雄心勃勃计划，试图使人类重返月球，并最终建立一个专用的月球基地)的乘员太空舱。

youdao

Back then,there was much hope that humans would return soon and make a home on Earth's only natural satellite.

VOA: special.2010.04.28

All three had concerns that the space agency science programs were losing out in the push to return humans to the moon.

NPR: Budget Cuts Trigger NASA Resignations

That here we would be -- 40 years after the first moon landing -- still wondering when humans will return to the moon.

CNN: After walking on moon, astronauts trod various paths