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A cofferdam or pressure tunnel was a temporary, pressure sealed enclosure used to connect a starship in dry dock. Cofferdams were also used to connect starships with mismatched airlocks. The device itself was a flexible, ribbed tube that could attach to a surface with chemical, magnetic, mechanical, or negative pressure means. The Yuuzhan Vong equivalent was the oqa membrane.

AppearancesEdit

• Republic Commando: Triple Zero
• Star Wars: The Clone Wars – "Eminence"
• Imperial Commando: 501st
• Star Wars: Rogue Squadron II: Rogue Leader
• Star Wars: Rogue Squadron III: Rebel Strike
• Star Wars Episode V: The Empire Strikes Back junior novel
• Star Wars Episode V: The Empire Strikes Back (First appearance)
• The Mandalorian Armor (Appears in flashback(s)) (As transfer port)
•  The Politics of Contraband (As docking tube)
• Before the Storm
• Agents of Chaos II: Jedi Eclipse
• Balance Point
• Recovery
• Star by Star
• Destiny's Way
• The Final Prophecy
• The Unifying Force
• Revelation

SourcesEdit

• "Zirtran's Anchor"—Star Wars Adventure Journal 5 (As "pressure tunnel")
• The New Jedi Order Sourcebook
• The Complete Star Wars Encyclopedia
• Scum and Villainy (Misspelled as "cotterdam")