
NASA 60th Anniversary Public Tours / NASA 60th Anniversary Celebration at the Great Lakes Science Center

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)

The GRC Center Director, Dr. Marla Perez-Davis, during the NASA 60th Anniversary, Family Day Event

Jeremiah Kawczak checks out the T-34 aircraft with the help of Pilot and Chief of Aircraft Operations, James Demers at the Glenn Research Center Hangar during the NASA 60th Anniversary Public Tours

NASA's 60th Anniversary exhibits are seen at the Kennedy Center, Thursday, May 31, 2018 in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA's 60th Anniversary exhibits are seen at the Kennedy Center, Thursday, May 31, 2018 in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA's 60th Anniversary exhibits are seen at the Kennedy Center, Thursday, May 31, 2018 in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA's 60th Anniversary exhibits are seen at the Kennedy Center, Thursday, May 31, 2018 in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA's 60th Anniversary exhibits are seen at the Kennedy Center, Thursday, May 31, 2018 in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA's 60th Anniversary exhibits are seen at the Kennedy Center, Thursday, May 31, 2018 in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA's 60th Anniversary exhibits are seen at the Kennedy Center, Thursday, May 31, 2018 in Washington. Photo Credit: (NASA/Aubrey Gemignani)

NASA's 60th Anniversary exhibits are seen at the Kennedy Center, Thursday, May 31, 2018 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'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 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 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)

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)

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)

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)

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 Administrator Jim Bridenstine speaks at an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Following his remarks, the administrator participated in a panel discussion with former administrators Sean O'Keefe and Charles Bolden. (Photo Credit: NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine speaks at an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Following his remarks, the administrator participated in a panel discussion with former administrators Sean O'Keefe and Charles Bolden. (Photo Credit: NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine speaks at an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Following his remarks, the administrator participated in a panel discussion with former administrators Sean O'Keefe and Charles Bolden. (Photo Credit: NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine speaks at an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Following his remarks, the administrator participated in a panel discussion with former administrators Sean O'Keefe and Charles Bolden. (Photo Credit: NASA/Joel Kowsky)

The Glenn Research Center Deputy Director, Dr. Marla Perez-Davis, cuts the ceremonial cake while employees cheer the NASA 60th Anniversary at the Employee Culminatiing Event.

Todd Harrison, director of defense budget analysis and the aerospace security project, and senior fellow in the international security program at the Center for Strategic and International Studies, left, leads a discussion with NASA Administrator Jim Bridenstine, right, during an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Bridenstine, and former NASA Administrators Sean O'Keefe and Charles Bolden answered questions about the past and future of the agency. (Photo Credit: NASA/Joel Kowsky)

Former NASA Administrator Sean O'Keefe, second from right, answers a question during a panel discussion with NASA Administrator Jim Bridenstine and former NASA Administrator Charles Bolden at an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Bridenstine, O'Keefe, and Bolden answered questions about the past and future of the agency. (Photo Credit: NASA/Joel Kowsky)

Former NASA Administrator Sean O'Keefe, second from right, answers a question during a panel discussion with NASA Administrator Jim Bridenstine and former NASA Administrator Charles Bolden at an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Bridenstine, O'Keefe, and Bolden answered questions about the past and future of the agency. (Photo Credit: NASA/Joel Kowsky)

Former NASA Administrator Charles Bolden, right, answers a question during a panel discussion with NASA Administrator Jim Bridenstine and former NASA Administrator Sean O'Keefe at an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Bolden, Bridenstine, and O'Keefe answered questions about the past and future of the agency. (Photo Credit: NASA/Joel Kowsky)

The Apollo 50th Anniversary logo is unveiled during the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine answers a question during a discussion with Todd Harrison, director of defense budget analysis and the aerospace security project, and senior fellow in the international security program at the Center for Strategic and International Studies and former NASA Administrators Sean O'Keefe and Charles Bolden during an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Bridenstine, O'Keefe, and Bolden answered questions about the past and future of the agency. (Photo Credit: NASA/Joel Kowsky)

Todd Harrison, director of defense budget analysis and the aerospace security project, and senior fellow in the international security program at the Center for Strategic and International Studies, left, leads a discussion with NASA Administrator Jim Bridenstine, second from left, and former NASA Administrators Sean O'Keefe, second from right, and Charles Bolden, right, during an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Bridenstine, O'Keefe, and Bolden answered questions about the past and future of the agency. (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 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's Associate Administrator for the Science Mission Directorate, Thomas Zurbuchen, is seen in a video message during the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Conductor Emil de Cou leads the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Composer Michael Giacchino speaks during the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Students provide backup vocals during a performance of Will.i.am's "Reach for the Stars" at the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Will.i.am speaks before conducting the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Coheed and Cambria performs at the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Conductor Emil de Cou leads the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Will.i.am's "Reach for the Stars" is performed while he conducts the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Star Trek composer Michael Giacchino conducts the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Will.i.am's is seen just after he conducted the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Conductor Emil de Cou and the National Symphony Orchestra stands at the start of the second half of "Space, the Next Frontier" celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Actor John Cho recites a poem during the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Conductor Emil de Cou leads the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Conductor Emil de Cou speaks after leading the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Conductor Emil de Cou leads the final performance of the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Conductor Emil de Cou leads the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Conductor Emil de Cou speaks after leading the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

National Symphony Orchestra members are seen performing during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Conductor Emil de Cou leads the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Singer-songwriter Grace Potter performs at the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Former NASA Administrator Charles Bolden, right, answers a question during a panel discussion led by Todd Harrison, director of defense budget analysis and the aerospace security project, and senior fellow in the international security program at the Center for Strategic and International Studies, with NASA Administrator Jim Bridenstine and former NASA Administrator Sean O'Keefe at an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Bolden, Bridenstine, and O'Keefe answered questions about the past and future of the agency. (Photo Credit: NASA/Joel Kowsky)

Todd Harrison, director of defense budget analysis and the aerospace security project, and senior fellow in the international security program at the Center for Strategic and International Studies, left, leads a discussion with NASA Administrator Jim Bridenstine, second from left, and former NASA Administrators Sean O'Keefe, second from right, and Charles Bolden, right, during an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Bridenstine, O'Keefe, and Bolden answered questions about the past and future of the agency. (Photo Credit: NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine, second from left, answers a question during a discussion with Todd Harrison, director of defense budget analysis and the aerospace security project, and senior fellow in the international security program at the Center for Strategic and International Studies, left, and former NASA Administrators Sean O'Keefe, second from right, and Charles Bolden, right, during an event celebrating NASA's 60th anniversary at the Center for Strategic and International Studies on Monday, July 23, 2018 in Washington. Bridenstine, O'Keefe, and Bolden answered questions about the past and future of the agency. (Photo Credit: NASA/Joel Kowsky)

A NASA logo cake is cut by Administrator Bridenstine at the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine speaks during the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

A NASA logo cake is brought onstage during the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine speaks during the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

NASA Administrator Jim Bridenstine, left, speaks during the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

A NASA logo cake is brought onstage during the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronauts Drew Feustel, left, and Scott Tingle, are seen during a video message to the audience of the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronauts Drew Feustel, left, and Scott Tingle, perform a song by video at the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Star Trek composer Michael Giacchino does the Vulcan salute after conducting the National Symphony Orchestra during the "Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Carl Sagan's son, Nick Sagan, left, speaks at the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan. Photo Credit: (NASA/Aubrey Gemignani)

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Seal for NASA's 60th anniversary. Black 72 dpi

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All artists are seen at the conclusion of the "National Symphony Orchestra Pops: Space, the Next Frontier" event celebrating NASA's 60th Anniversary, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts in Washington. The event featured music inspired by space including artists will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

A toy dog named Seaman Jr., representing the Newfoundland that accompanied Lewis and Clark on their historic expedition in the 1800's, is seen here, Thursday, May 3, 2018 at NASA Headquarters in Washington. Seaman Jr. is headed to the International Space Station this summer to help celebrate NASA’s 60th Anniversary and the National Trail System’s 50th anniversary. Photo Credit: (NASA/Aubrey Gemignani)

A toy dog named Seaman Jr., representing the Newfoundland that accompanied Lewis and Clark on their historic expedition in the 1800's, is seen here, Thursday, May 3, 2018 at NASA Headquarters in Washington. Seaman Jr. is headed to the International Space Station this summer to help celebrate NASA’s 60th Anniversary and the National Trail System’s 50th anniversary. Photo Credit: (NASA/Aubrey Gemignani)

A toy dog named Seaman Jr., representing the Newfoundland that accompanied Lewis and Clark on their historic expedition in the 1800's, is seen here, Thursday, May 3, 2018 at NASA Headquarters in Washington. Seaman Jr. is headed to the International Space Station this summer to help celebrate NASA’s 60th Anniversary and the National Trail System’s 50th anniversary. Photo Credit: (NASA/Aubrey Gemignani)

A toy dog named Seaman Jr., representing the Newfoundland that accompanied Lewis and Clark on their historic expedition in the 1800's, is seen here, Thursday, May 3, 2018 at NASA Headquarters in Washington. Seaman Jr. is headed to the International Space Station this summer to help celebrate NASA’s 60th Anniversary and the National Trail System’s 50th anniversary. Photo Credit: (NASA/Aubrey Gemignani)

Attendees watch a short video on Explorer 1 during an event celebrating the 60th Anniversary of the Explorer 1 mission and the discovery of Earth's radiation belts, Wednesday, Jan. 31, 2018, at the National Academy of Sciences in Washington. The first U.S. satellite, Explorer 1, was launched from Cape Canaveral on January 31, 1958. The 30-pound satellite would yield a major scientific discovery, the Van Allen radiation belts circling our planet, and begin six decades of groundbreaking space science and human exploration. (NASA/Joel Kowsky)

A replica of the Explorer 1 satellite is seen on display during an event celebrating the 60th Anniversary of the Explorer 1 mission and the discovery of Earth's radiation belts, Wednesday, Jan. 31, 2018, at the National Academy of Sciences in Washington. The first U.S. satellite, Explorer 1, was launched from Cape Canaveral on January 31, 1958. The 30-pound satellite would yield a major scientific discovery, the Van Allen radiation belts circling our planet, and begin six decades of groundbreaking space science and human exploration. (NASA/Joel Kowsky)

Michael Giacchino, Star Trek composer, is interviewed by NASA's Social Video Producer Brittany Brown, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts ahead of the "National Symphony Orchestra Pops: Space, the Next Frontier," celebrating NASA's 60th Anniversary in Washington DC. The event featured music inspired by space including artists Will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Actor John Cho in interviewed by NASA's Social Video Producer, Brittany Brown, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts ahead of the "National Symphony Orchestra Pops: Space, the Next Frontier," celebrating NASA's 60th Anniversary in Washington DC. The event featured music inspired by space including artists Will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Musician Grace Potter is interviewed by NASA TV, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts ahead of the "National Symphony Orchestra Pops: Space, the Next Frontier," celebrating NASA's 60th Anniversary in Washington DC. The event featured music inspired by space including artists Will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Musician Grace Potter is interviewed by NASA TV, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts ahead of the "National Symphony Orchestra Pops: Space, the Next Frontier," celebrating NASA's 60th Anniversary in Washington DC. The event featured music inspired by space including artists Will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

NASA's Social Video Producer, Brittany Brown interviews Nick Sagan Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts ahead of the "National Symphony Orchestra Pops: Space, the Next Frontier," celebrating NASA's 60th Anniversary in Washington DC. The event featured music inspired by space including artists Will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Will.i.am is interviewed by NASA TV, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts ahead of the "National Symphony Orchestra Pops: Space, the Next Frontier," celebrating NASA's 60th Anniversary in Washington DC. The event featured music inspired by space including artists Will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Josh Eppard, drummer for the progressive rock band, Coheed and Cambria is interviewed by NASA TV, Friday, June 1, 2018 at the John F. Kennedy Center for the Performing Arts ahead of the "National Symphony Orchestra Pops: Space, the Next Frontier," celebrating NASA's 60th Anniversary in Washington DC. The event featured music inspired by space including artists Will.i.am, Grace Potter, Coheed & Cambria, John Cho, and guest Nick Sagan, son of Carl Sagan. Photo Credit: (NASA/Aubrey Gemignani)

Alexander Moiseev, a research scientist at NASA's Goddard Spaceflight Center, speaks during an event celebrating the 60th Anniversary of the Explorer 1 mission and the discovery of Earth's radiation belts, Wednesday, Jan. 31, 2018, at the National Academy of Sciences in Washington. The first U.S. satellite, Explorer 1, was launched from Cape Canaveral on January 31, 1958. The 30-pound satellite would yield a major scientific discovery, the Van Allen radiation belts circling our planet, and begin six decades of groundbreaking space science and human exploration. (NASA/Joel Kowsky)

Michael Freilich, Director of the Earth Science Division of NASA's Science Mission Directorate, speaks during an event celebrating the 60th Anniversary of the Explorer 1 mission and the discovery of Earth's radiation belts, Wednesday, Jan. 31, 2018, at the National Academy of Sciences in Washington. The first U.S. satellite, Explorer 1, was launched from Cape Canaveral on January 31, 1958. The 30-pound satellite would yield a major scientific discovery, the Van Allen radiation belts circling our planet, and begin six decades of groundbreaking space science and human exploration. (NASA/Joel Kowsky)

Alexander Moiseev, a research scientist at NASA's Goddard Spaceflight Center, speaks during an event celebrating the 60th Anniversary of the Explorer 1 mission and the discovery of Earth's radiation belts, Wednesday, Jan. 31, 2018, at the National Academy of Sciences in Washington. The first U.S. satellite, Explorer 1, was launched from Cape Canaveral on January 31, 1958. The 30-pound satellite would yield a major scientific discovery, the Van Allen radiation belts circling our planet, and begin six decades of groundbreaking space science and human exploration. (NASA/Joel Kowsky)

Thomas Zurbuchen, Associate Administrator for NASA's Science Mission Directorate, speaks during an event celebrating the 60th Anniversary of the Explorer 1 mission and the discovery of Earth's radiation belts, Wednesday, Jan. 31, 2018, at the National Academy of Sciences in Washington. The first U.S. satellite, Explorer 1, was launched from Cape Canaveral on January 31, 1958. The 30-pound satellite would yield a major scientific discovery, the Van Allen radiation belts circling our planet, and begin six decades of groundbreaking space science and human exploration. (NASA/Joel Kowsky)

