Click to enlargeScott Kelly Expedition 45

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This image shows astronaut Scott Kelly performing maintenance on the International Space Station during the 190th Spacewalk in support of station assembly and maintenance. Kelly and fellow astronaut Kjell Lindgren worked to restore the port truss (P6) ammonia cooling system to its original configuration.

image credit NASA

Scott Kelly Expedition 45
All images Astrolith Graphic Products, inc. and John C. Wittenberg unless otherwise identified.