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Expedition 56 Flight Engineers Serena Auñón-Chancellor and Ricky Arnold of NASA

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NASA

Jun 27, 2018
Image Article
Expedition 56 Flight Engineers Serena Auñón-Chancellor and Ricky Arnold of NASA
Expedition 56 Flight Engineers Serena Auñón-Chancellor (right) and Ricky Arnold of NASA are pictured in the Unity module during life support maintenance work.

iss056e014488 (June 18, 2018) — Expedition 56 Flight Engineers Serena Auñón-Chancellor (right) and Ricky Arnold of NASA are pictured in the Unity module during life support maintenance work to remove and replace an Oxygen Generation System Hydrogen Sensor.