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President Donald Trump, center, signs the NASA Transition Authorization Act of 2017, alongside members of the Senate, Congress, and NASA in the Oval Office on March 21, 2017. From left, Rep. Kevin McCarthy, R-CA, Sen. Marco Rubio, R-FL, acting NASA Administrator Robert Lightfoot, Rep. Neal Dunn, R-FL, Sen. Ted Cruz, R-Texas, Sen. Bill Nelson, D-FL, NASA Astronaut Office Chief Chris Cassidy, Rep. Martha Roby, R-AL, Rep. Lamar Smith, R-Texas, Sen. Luther Strange, R-AL, Rep. Robert Aderholt, R-AL, Rep. Frank Lucas, R-OK, Rep. Brian Babin, R-Texas, Rep. John Culberson, R-Texas, Rep. Jim Bridenstine, R-OK, Rep. Steven Palazzo, R-LA, NASA Astronaut Tracy Caldwell Dyson, Rep. Bill Posey, R-FL, Rep. Mo Brooks, R-AL, and Vice President Mike Pence.
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