Astronautics Vocabulary
The Astronautics Vocabulary is a glossary of terms that pertain to the science and technology of spaceflight. This alphabetical list can be navigated by clicking on the letters A-Z displayed on this page.
Definition of orbit replaceable unit (ORU)
Translation: unité remplaçable sur orbite
Definition: Separate and interchangeable module which can be replaced during spacewalks or remotely.
Other Definition: None
Synonym: None
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