FILE - In this Wednesday, April 21, 2021 file photo, former U.S. Sen. Bill Nelson, nominee for administrator of NASA, speaks during a Senate Committee on Commerce, Science, and Transportation confirmation hearing, on Capitol Hill in Washington. In his first news interview since becoming NASA's top official this week, Nelson told The Associated Press on Friday, May 7 that measuring the climate and diversifying the workforce are top issues. Nelson hedged on whether the U.S. can put astronauts on the moon by 2024. (Saul Loeb/Pool via AP)
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