NASA Associate Administrator for the Science Mission Directorate Thomas Zurbuchen speaks during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

NASA's Deputy Associate Administrator for Strategy in the Aeronautics Mission Directorate Robert Pearce speaks during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

An ice sculpture of NASA's 60th anniversary logo is seen during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

NASA Deputy Administrator Jim Morhard, second from left, poses for a photo with the other awardees, after accepting the Best Place to Work award for large federal government agencies for NASA, Friday, Jan. 10, 2020 at the Ronald Reagan Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronauts Jeanette Epps, Randy Bresnik, Shannon Walker, and Mark Vande Hei are seen on stage during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

NASA Deputy Administrator Jim Morhard, left, poses for a photo with Max Stier, president and chief executive officer of the Partnership for Public Service, after accepting the Best Place to Work award for large federal government agencies for NASA, Friday, Jan. 10, 2020 at the Ronald Reagan Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA's Deputy Associate Administrator for Strategy in the Aeronautics Mission Directorate Robert Pearce speaks during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier speaks during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Science Mission Directorate Thomas Zurbuchen speaks during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

NASA astronauts Jeanette Epps, Randy Bresnik, Shannon Walker, and Mark Vande Hei are seen on stage during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator for the Human Exploration and Operations Mission Directorate William Gerstenmaier speaks during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

American Institute of Aeronautics and Astronautics (AIAA) Executive Director Daniel Dumbacher deliver remarks during a reception hosted by AIAA to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

NASA Associate Administrator Steve Jurczyk delivers remarks during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

The United States Air Force's Airmen of Note perform during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

NASA Deputy Administrator Jim Morhard, center, speaks with guests, after accepting the Best Place to Work award for large federal government agencies for NASA, Friday, Jan. 10, 2020 at the Ronald Reagan Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)

American Institute of Aeronautics and Astronautics (AIAA) President John Langford delivers remarks during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

American Institute of Aeronautics and Astronautics (AIAA) President John Langford delivers remarks during a reception hosted by the American Institute of Aeronautics and Astronautics (AIAA) to celebrate NASA's 60th anniversary, Thursday, Sept. 20, 2018 at the Ronald Reagan Building and International Trade Center in Washington, DC. Photo Credit: (NASA/Joel Kowsky)