Astronaut Ricky Arnold at Challenger Center NASA astronaut Ricky Arnold speaks about his time onboard the International Space Station (ISS) during Expeditions 55 and 56, Friday, May 3, 2019 at the Challenger Center in Lanham, MD. During Expedition 55/56, Arnold completed three spacewalks for a total of hours outside the space station, and concluded his 197 day mission when he landed in a remote area near the town of Zhezkazgan, Kazakhstan in Oct. 2018. He also flew to the space station on shuttle mission STS-119 to deliver the final pair of power-generating solar array wings.

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Keywords: ., 55, arnold, astronaut, aubrey, center, challenger, expedition, gemignani, howard, lanham, md, nasa, owens, postflight, ricky, science, usa