Trump nominee 1st NASA chief without a scientific background
US President Donald Trump's nominee Jim Bridenstine officially took office as NASA's 13th administrator after being sworn in by Vice President Mike Pence on Monday. Bridenstine, a former Navy pilot, who won a 50-49 vote last week, is the first NASA chief with a non-scientific background. "NASA represents the best of the United States of America," said Bridenstine while swearing-in.