This undated photo made available by NASA on Wednesday, June 7, 2017 shows the 2017 NASA Astronaut Class at the Johnson Space Center in Houston. From left are Zena Cardman, Jasmin Moghbeli, Jonny Kim, Frank Rubio, Matthew Dominick, Warren Hoburg, Robb Kulin, Kayla Barron, Bob Hines, Raji Chari, Loral O' Hara and Jessica Watkins. (Robert Markowitz/NASA via AP)
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