noun
unmanned spacecraft
Refers to a spacecraft without a human crew, used in contexts of space exploration, cargo resupply, or satellite deployment.
無人宇宙船が火星に着陸した。
An unmanned spacecraft landed on Mars.
この無人宇宙船は国際宇宙ステーションに物資を運ぶ。
This unmanned spacecraft carries supplies to the International Space Station.
Compound of 無人 (むじん, 'unmanned') + 宇宙船 (うちゅうせん, 'spacecraft').