Former Sen. Bill Nelson, nominee to be administrator of NASA, speaks during a Senate Committee on Commerce, Science, and Transportation confirmation hearing, Wednesday, April 21, 2021 on Capitol Hill in Washington. (Saul Loeb/Pool via AP)
Former Sen. Bill Nelson, nominee to be administrator of NASA, speaks during a Senate Committee on Commerce, Science, and Transportation confirmation hearing, Wednesday, April 21, 2021 on Capitol Hill in Washington. (Saul Loeb/Pool via AP)
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