In this Jan. 6, 2017 photo made available by NASA, astronaut Peggy Whitson performs a spacewalk during Expedition 50 aboard the International Space Station. According to a report released Wednesday, April 26, 2017, NASA is managing a variety of design and health risks associated with the spacewalking suits used by astronauts aboard the International Space Station. The suits were developed more than 40 years ago and intended for only 15 years' use. (NASA via AP)
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