President Donald Trump signs the NASA Transition Authorization Act of 2017 in the Oval Office on Tuesday, March 21, 2017. Joining him were (from left to right) Sen. Ted Cruz, R-Texas; Sen. Bill Nelson, D-Fla.; NASA Astronaut Office Chief Chris Cassidy; Rep. Martha Roby, R-Ala.; Rep. Lamar Smith, R-Texas; Sen. Luther Strange, R-Ala.; Rep. Robert Aderholt, R-Ala.; Rep. Frank Lucas, R-Okla.; Rep. Brian Babin, R-Texas; Rep. John Culberson, R-Texas; Rep. Jim Bridenstine, R-Okla.; Rep. Steven Palazzo, R-La.; NASA astronaut Tracy Caldwell Dyson; and Rep. Bill Posey, R-Fla.
NASA/Bill Ingalls
