NASA Administrator Charles Bolden introduces former NASA astronaut Scott Kelly during an event at the United States Capitol Visitor Center, Wednesday, May 25, 2016, in Washington. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden introduces former NASA astronaut Scott Kelly during an event at the United States Capitol Visitor Center, Wednesday, May 25, 2016, in Washington. Photo Credit: (NASA/Bill Ingalls)

Former NASA astronaut Scott Kelly speaks during an event at the United States Capitol Visitor Center, Wednesday, May 25, 2016, in Washington. Photo Credit: (NASA/Bill Ingalls)

Former NASA astronaut Scott Kelly speaks during an event at the United States Capitol Visitor Center, Wednesday, May 25, 2016, in Washington. Photo Credit: (NASA/Bill Ingalls)

Former NASA astronaut Scott Kelly speaks during an event at the United States Capitol Visitor Center, Wednesday, May 25, 2016, in Washington. Photo Credit: (NASA/Bill Ingalls)

Former NASA astronaut Scott Kelly speaks during an event at the United States Capitol Visitor Center, Wednesday, May 25, 2016, in Washington. Photo Credit: (NASA/Bill Ingalls)

Former NASA astronaut Scott Kelly speaks during an event at the United States Capitol Visitor Center, Wednesday, May 25, 2016, in Washington. Photo Credit: (NASA/Bill Ingalls)

Former NASA astronaut Scott Kelly speaks during an event at the United States Capitol Visitor Center, Wednesday, May 25, 2016, in Washington. Photo Credit: (NASA/Bill Ingalls)

Former NASA astronaut Scott Kelly speaks during an event at the United States Capitol Visitor Center, Wednesday, May 25, 2016, in Washington. Photo Credit: (NASA/Bill Ingalls)

Mark Riccobono, executive director of the Jernigan Institute of the National Federation of the Blind speaks at a ceremony where senior NASA officials presented the NFB with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

Mark Riccobono, executive director of the Jernigan Institute of the National Federation of the Blind, at podium, delivers remarks at a ceremony where senior NASA officials presented the NFB with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

Chris Scolese, NASA Associate Administrator, speaks at a ceremony where senior NASA officials presented the National Federation of the Blind, with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

Chris Scolese, NASA Associate Administrator, speaks at a ceremony where senior NASA officials presented the National Federation of the Blind with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

Dr. Marc Mauer, president of the National Federation of the Blind, at podium, speaks at a ceremony where senior NASA officials presented the NFB with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

NAME sings the National Anthem at a ceremony where senior NASA officials presented the NFB with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

NAME sings the National Anthem at a ceremony where senior NASA officials presented the NFB with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

Dr. Marc Mauer, president of the National Federation of the Blind speaks at a ceremony where senior NASA officials presented the NFB with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

Derrick Tuff, right in wheelchair, and Kayla Weathers, standing left, deliver remarks at a ceremony where senior NASA officials presented the National Federation of the Blind with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Man standing at center is unidentified. Photo Credit: (NASA/Paul E. Alers)

House Majority Leader U.S. Rep. Steny Hoyer, D-Md., smiles as he speaks to those in attendance at a ceremony where senior NASA officials presented the National Federation of the Blind with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

House Majority Leader U.S. Rep. Steny Hoyer, D-Md., speaks at a ceremony where senior NASA officials presented the National Federation for the Blind with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

NASA astronaut Greg Johnson, at podium, speaks at a ceremony where senior NASA officials presented the National Federation of the Blind with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

House Majority Leader U.S. Rep. Steny Hoyer, D-Md., speaks at a ceremony where senior NASA officials presented the National Federation of the Blind with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

NASA astronaut Greg Johnson, left, speaks with Dr. Marc Mauer, president of the National Federation of the Blind, right, prior to a ceremony where senior NASA officials presented the NFB with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

House Majority Leader U.S. Rep. Steny Hoyer, D-Md., speaks at a ceremony where senior NASA officials presented the National Federation of the Blind with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

House Majority Leader U.S. Rep. Steny Hoyer, D-Md., speaks at a ceremony where senior NASA officials presented the National Federation of the Blind with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

Dr. Marc Mauer, president of the National Federation of the Blind accepts an award from William Gerstenmaier, Associate Administrator, Space Operations, NASA Headquarters at a ceremony where senior NASA officials presented the NFB with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

Mark Riccobono, executive director of the Jernigan Institute of the National Federation of the Blind, right, accepts an award from Dr. Joyce Winterton, Assistant Administrator, Office of Education, NASA Headquarters, center, and Ken Silberman, from Goddard Space Flight Center, at a ceremony where senior NASA officials presented the NFB with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

Dr. Marc Mauer, president of the National Federation of the Blind, left, accepts two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009 from NASA Associate Administrator Chris Scolese, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

NASA Associate Administrator Chris Scolese, left, and Mark Riccobono, executive director of the Jernigan Institute of the National Federation of the Blind hold up a Braille enscribed award with two Louis Braille Bicentennial Silver Dollars at a ceremony where senior NASA officials presented the NFB with coins that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

House Majority Leader U.S. Rep. Steny Hoyer, D-Md., left, holds up an award presented to him by Mark Riccobono, executive director of the Jernigan Institute of the National Federation of the Blind at a ceremony where senior NASA officials presented the NFB with two Louis Braille Bicentennial Silver Dollars that flew on Space Shuttle Atlantis' mission (STS-125) to the Hubble Space Telescope in May 2009, Friday evening, July 31, 2009, at the Capitol Visitors Center in Washington. Photo Credit: (NASA/Paul E. Alers)

SpaceX Crew-1 NASA astronaut Victor Glover, center, and Japan Aerospace Exploration Agency (JAXA) astronaut Soichi Noguchi, right, speak with visitors at the Destination Station mobile exhibition on Capitol Hill, Wednesday, Nov. 17, 2021, in Washington.Glover, Noguchi, and NASA astronauts Mike Hopkins and Shannon Walker, launched on the first crew rotation mission to the International Space Station for SpaceX’s Falcon 9 and Crew Dragon spacecraft as part of the agency’s Commercial Crew Program and spent 168 days in space across Expeditions 64 and 65. Photo Credit: (NASA/Aubrey Gemignani)