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December 22, 2011
In the grasp of the Canadarm2, the Pressurized Mating Adapter 3 (PMA-3) is relocated from the Harmony node to the open port on the end of the newly-installed Tranquility node (right). NASA astronauts Robert Behnken and Nicholas Patrick, both STS-130 mission specialists, operated the station's robotic arm for the move, while Jeffrey Williams, Expedition 22 commander; and Japan Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi, Expedition 22 flight engineer, dealt with latches and bolts, connecting the port to its new home. Tranquility's Cupola is visible at lower right.

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