Oqa membranes were tubes used by the Yuuzhan Vong to connect two ships in space, for transfer between them. They were the equivalent of cofferdams and were made from microbial mats. Their name came from oqa.
- Invasion: Rescues 1
- The New Jedi Order: Edge of Victory II: Rebirth (First appearance)
- The New Jedi Order: The Unifying Force
- The Complete Star Wars Encyclopedia (As "oqa")
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