
The Apollo 11 logo is seen on a large video monitor above panelists at NASA's briefing where restored Apollo 11 moonwalk footage was revealed for the first time at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Carla Cioffi)

Archived and restored Apollo 11 moonwalk footage is shown on a large video monitor above panelists at a NASA briefing where restored Apollo 11 moonwalk footage was revealed for the first time at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Carla Cioffi)

Footage of the Saturn V Apollo 11 rocket launch is seen on a large video monitor above panelists at NASA's briefing where restored Apollo 11 moonwalk footage was revealed for the first time at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Bill Ingalls)

Mike Inchalik, president of Lowry Digital, talks about the job of restoring Apollo 11 moonwalk footage at a NASA briefing where restored Apollo 11 moonwalk footage was revealed for the first time at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Bill Ingalls)

Graphics showing how TV signals were sent from the Apollo 11 mission back to Earth are shown on a large video monitor above panelists at NASA's briefing where restored Apollo 11 moonwalk footage was revealed for the first time at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Carla Cioffi)

Graphics showing how TV signals were sent from the Apollo 11 mission back to Earth are shown on a large video monitor above panelists at NASA's briefing where restored Apollo 11 moonwalk footage was revealed for the first time at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Carla Cioffi)

Stan Lebar, former Westinghouse Electric program manager, talks about the Apollo era TV cameras during NASA's briefing where restored Apollo 11 moonwalk footage was revealed for the first time at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Bill Ingalls)

An Apollo TV camera from the National Electronic Museum in Baltimore, Maryland is on display for NASA's briefing to release restored Apollo 11 moonwalk footage at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Bill Ingalls)

Mike Simons, Director of the National Electronic Museum in Baltimore, Maryland assembles an Apollo TV camera for display prior to NASA's briefing to release restored Apollo 11 moonwalk footage at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Bill Ingalls)

A photograph from the 1960's showing Stan Lebar, former Westinghouse Electric program manager, holding two cameras used during the Apollo missions is seen on a large video monitor above panelists, including Stan Lebar, at NASA's briefing where restored Apollo 11 moonwalk footage was revealed for the first time at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Carla Cioffi)

NASA moderator Mark Hess, left, directs reporters' questions to former Westinghouse Electric program manager Stan Lebar, second from left, team lead and Goddard engineer Richard Nafzger and president of Lowry Digital Mike Inchalik, far right, at a NASA briefing where restored Apollo 11 moonwalk footage was revealed for the first time at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Bill Ingalls)

Stan Lebar, former Westinghouse Electric program manager, left, talks about the Apollo era TV cameras such as the one on display in the foreground as Richard Nafzger, team lead and Goddard engineer, listens at NASA's briefing where restored Apollo 11 moonwalk footage was revealed for the first time at the Newseum, Thursday, July 16, 2009, in Washington, DC. Photo Credit: (NASA/Bill Ingalls)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

NASA booths are seen at the American Geophysical Union (AGU) annual meeting, Tuesday, Dec. 11, 2018 at the Washington Convention Center in Washington, DC. Photo Credit: (NASA/Aubrey Gemignani)

Adam Savage, maker and host of Savage Builds, speaks during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 on the National Mall in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Aubrey Gemignani)

A visitor explores the exhibit at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Randy Bresnik speaks during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 on the National Mall in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Aubrey Gemignani)

A visitor explores the exhibit at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

Adam Savage, maker and host of Savage Builds, speaks during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 on the National Mall in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Aubrey Gemignani)

A small rover is driven over some visitors at the Apollo 11 50th Anniversary celebration on the National Mall, Friday, July 19, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

NASA Social Media Specialist, Tahira Allen, interviews visitors to the Apollo 11 50th Anniversary celebration on the National Mall during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Aubrey Gemignani)

Visitors learn about rover tires at the Apollo 11 50th Anniversary celebration on the National Mall, Friday, July 19, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

A visitor learns about circuits at the Apollo 11 50th Anniversary celebration on the National Mall, Friday, July 19, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

A view of the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Connie Moore)

The Moon to Mars exhibit is seen at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Connie Moore)

Adam Savage, maker and host of Savage Builds, speaks during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 on the National Mall in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Aubrey Gemignani)

A visitor explores the Journey to Tomorrow exhibit at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

A visitor explores the LEGO exhibit at the Apollo 11 50th Anniversary celebration on the National Mall, Friday, July 19, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

Visitors test out some space gloves at the Apollo 11 50th Anniversary celebration on the National Mall, Friday, July 19, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

A small rover is driven over a visitor at the Apollo 11 50th Anniversary celebration on the National Mall, Friday, July 19, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

NASA Public Affairs Officer for Heliophysics, Karen Fox, speaks during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 on the National Mall in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Aubrey Gemignani)

A scale model of the Kepler space telescope is seen at a news conference, Wednesday, Feb. 2, 2010, at NASA Headquarters in Washington. Scientists using NASA's Kepler, a space telescope, recently discovered six planets made of a mix of rock and gases orbiting a single sun-like star, known as Kepler-11, which is located approximately 2,000 light years from Earth. Photo Credit: (NASA/Paul E. Alers)

NASA African Monsoon Multidisciplinary Analyses (NAMMA) DC-8 deployment to Cape Verde, Sal island, Africa

The description on the back of the plaque reads: "This plaque was presented to Administrator James C. Fletcher by the Apollo 11 Crew for award to the future Mars I crew (when the first manned mission to Mars is scheduled), July 20, 1987 at The Case for Mars III Conference at the University of Colorado in Boulder, Colorado." Photographed on Friday, July 11, 2014 in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

The description on the back of the plaque reads: "This plaque was presented to Administrator James C. Fletcher by the Apollo 11 Crew for award to the future Mars I crew (when the first manned mission to Mars is scheduled), July 20, 1987 at The Case for Mars III Conference at the University of Colorado in Boulder, Colorado." Photographed on Friday, July 11, 2014 in Washington, DC. Photo Credit: (NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Apollo 8 astronaut Jim Lovell shakes hands with NASA Administrator Jim Bridenstine after being introduced during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Apollo 8 astronaut Jim Lovell speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Apollo 8 astronaut Jim Lovell is seen during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

The audience is seen while a video about the Apollo 8 mission is shown on monitors during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

The Washington National Cathedral Choir performs a choral performance of Apollo 8's Christmas Eve broadcast during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Apollo 8 astronaut Jim Lovell speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Apollo 8 astronaut Jim Lovell speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

The Most Reverend Michael Curry speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Apollo 8 astronaut Jim Lovell speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

NASA Administrator Jim Bridenstine speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

The Washington National Cathedral is seen lit up with space imagery prior to the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

The Most Reverend Michael Curry speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Ellen Stofan, director of the Smithsonian's National Air and Space Museum, speaks about NASA's Apollo program during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

The Very Reverend Randy Hollerith, Dean of the Washington National Cathedral welcomes everyone to the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Apollo 8 astronaut Jim Lovell is seen during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Apollo 8 astronaut Jim Lovell acknowledges a stating ovation after being introduced during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Apollo 8 astronaut Jim Lovell speaks during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

The Washington National Cathedral is seen illuminated during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

The Space Window at the Washington National Cathedral is seen during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Ellen Stofan, director of the Smithsonian's National Air and Space Museum, speaks about NASA's Apollo program during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Ellen Stofan, director of the Smithsonian's National Air and Space Museum, speaks about NASA's Apollo program during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

A monitor showing a portrait of the Apollo 8 crew is seen during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

In celebration of the 50th anniversary of Apollo 11, NASA Astronaut Neil Armstrong's spacesuit was unveiled today in The Wright Brothers and The Invention of the Aerial Age Gallery of the Smithsonian Air and Space Museum, in Washington, DC, July 16, 2019. Unveiling the spacesuit, from left, Rick Armstrong, son of Neil Armstrong, Vice President Mike Pence, Dr. Ellen Stofan, The John and Adrienne Mars Director of the National Air and Space Museum, and James Bridenstine, Administrator of NASA. (Smithsonian Air and Space photo by Jim Preston)

Apollo 8 astronaut Jim Lovell poses for a picture with his flight plan from the mission during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

Apollo 8 astronaut Jim Lovell is seen with his flight plan from the mission that was among the artifacts on display during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

In celebration of the 50th anniversary of Apollo 11, NASA Astronaut Neil Armstrong's spacesuit was unveiled today in The Wright Brothers and The Invention of the Aerial Age Gallery of the Smithsonian Air and Space Museum, in Washington, DC, July 16, 2019. Unveiling the spacesuit, from left, Rick Armstrong, son of Neil Armstrong, Vice President Mike Pence, Dr. Ellen Stofan, The John and Adrienne Mars Director of the National Air and Space Museum, and James Bridenstine, Administrator of NASA. (Smithsonian Air and Space photo by Jim Preston)

The interior of the Washington National Cathedral is seen illuminated prior to the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

In celebration of the 50th anniversary of Apollo 11, NASA Astronaut Neil Armstrong's spacesuit was unveiled today in The Wright Brothers and The Invention of the Aerial Age Gallery of the Smithsonian Air and Space Museum, in Washington, DC, July 16, 2019. Unveiling the spacesuit, from left, Rick Armstrong, son of Neil Armstrong, Vice President Mike Pence, Dr. Ellen Stofan, The John and Adrienne Mars Director of the National Air and Space Museum, and James Bridenstine, Administrator of NASA. (Smithsonian Air and Space photo by Jim Preston)

The Very Reverend Randy Hollerith, Dean of the Washington National Cathedral speaks at the beginning of the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

The Washington National Cathedral Choir performs a choral performance of Apollo 8's Christmas Eve broadcast during the Smithsonian National Air and Space Museum's Spirit of Apollo event commemorating the 50th anniversary of Apollo 8, Tuesday, Dec. 11, 2018 at the Washington National Cathedral in Washington, DC. Apollo 8 was humanity's first journey to another world, taking astronauts Frank Borman, Jim Lovell, and William Anders to the Moon and back in December of 1968. Photo Credit: (NASA/Joel Kowsky)

NASA Administrator, Jim Bridenstine, speaks during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 on the National Mall in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Aubrey Gemignani)

A visitor poses for a photo with NASA astronaut Randy Bresnik at the LEGO exhibit at the Apollo 11 50th Anniversary celebration on the National Mall, Friday, July 19, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

Apollo 10 astronaut General Thomas Stafford talks about his mission during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 from the Smithsonian National Air and Space Museum in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Bill Ingalls)

Adam Savage, maker and host of Savage Builds, left, introduces NASA Spacesuit Engineer, Lindsay Aitchison, center, and NASA astronaut Randy Bresnik, during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 on the National Mall in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Aubrey Gemignani)

Visitors examine meteorites at a NASA exhibit at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut Randy Bresnik is interviewed during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 from the Smithsonian National Air and Space Museum in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Bill Ingalls)

The 50 year anniversary of the Apollo 11 mission with NASA astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin is celebrated in a 17-minute show, “Apollo 50: Go for the Moon”, by the Smithsonian’s National Air and Space Museum, which combined full-motion projection-mapping artwork on the Washington Monument and archival footage to recreate the launch of Apollo 11 and tell the story of the first moon landing, Friday, July 19, 2019 in Washington. Photo Credit: (NASA/Bill Ingalls)

Visitors explore the LEGO exhibit at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

NASA astronaut candidate Zena Cardman greets a visitor at the LEGO exhibit at the Apollo 11 50th Anniversary celebration on the National Mall, Friday, July 19, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

A visitor explores the Journey to Tomorrow exhibit at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

Apollo 10 astronaut General Thomas Stafford talks about his mission during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 from the Smithsonian National Air and Space Museum in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Bill Ingalls)

Artist David Maldonado paints a pair of high top shoes with a space themed design at the Apollo 11 50th Anniversary celebration on the National Mall, Friday, July 19, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

A large inflatable Space Launch System (SLS) rocket is seen at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Connie Moore)

The 50 year anniversary of the Apollo 11 mission with NASA astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin is celebrated in a 17-minute show, “Apollo 50: Go for the Moon”, by the Smithsonian’s National Air and Space Museum, which combined full-motion projection-mapping artwork on the Washington Monument and archival footage to recreate the launch of Apollo 11 and tell the story of the first moon landing, Friday, July 19, 2019 in Washington. Photo Credit: (NASA/Bill Ingalls)

A visitor explores the Journey to Tomorrow exhibit at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

Artist David Maldonado paints a pair of high top shoes with a space themed design at the Apollo 11 50th Anniversary celebration on the National Mall, Friday, July 19, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

The 50 year anniversary of the Apollo 11 mission with NASA astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin is celebrated in a 17-minute show, “Apollo 50: Go for the Moon”, by the Smithsonian’s National Air and Space Museum, which combined full-motion projection-mapping artwork on the Washington Monument and archival footage to recreate the launch of Apollo 11 and tell the story of the first moon landing, Friday, July 19, 2019 in Washington. Photo Credit: (NASA/Bill Ingalls)

Visitors explore the Lockheed Martin exhibit at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Connie Moore)

A visitor poses for a photo in the NASA spacesuit at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

Christyl Johnson, NASA Goddard deputy director for technology and research investments, is seen on stage during a performance at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Connie Moore)

Adam Savage, maker and host of Savage Builds, left, speaks with NASA Administrator Jim Bridenstine during “NASA’s Giant Leaps: Past and Future," a live television program on Friday, July 19, 2019 on the National Mall in Washington. NASA and the world are recognizing the 50th anniversary of Apollo 11, in which astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin crewed the first mission to land astronauts on the Moon. Photo Credit: (NASA/Aubrey Gemignani)

A LEGO astronaut is seen at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Aubrey Gemignani)

A visitor reads about the RL10 engines at the Apollo 11 50th Anniversary celebration on the National Mall, Thursday, July 18, 2019 in Washington. Apollo 11 was the first mission to land astronauts on the Moon and launched on July 16, 1969 with astronauts Neil Armstrong, Michael Collins, and Buzz Aldrin. Photo Credit: (NASA/Connie Moore)