A horse drawn caisson carries former astronaut and U.S. Senator John Glenn to his final resting place during the interment ceremony at Arlington National Cemetery on Thursday, April 6, 2017 in Virginia. Glenn was the first American to orbit Earth on Feb. 20, 1962, in a five-hour flight aboard the Friendship 7 spacecraft. In 1998, he broke another record by returning to space at the age of 77 on the Space Shuttle Discovery. Photo Credit: (NASA/Aubrey Gemignani)
John Glenn Interment
Taps is played by a member of The Old Guard after acting NASA Administrator Robert Lightfoot, Amy Resnik, sister-in-law, and Chuck Resnik, brother of the late space shuttle Challenger astronaut Judy Resnik laid a wreath at the Tomb of the Unknowns as part of NASA's Day of Remembrance, Thursday, Jan. 25, 2018, at Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Flowers are seen at the grave marker of Virgil "Gus" Grissom from Apollo 1 after NASA Administrator Jared Isaacman placed them there during a ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
A lei is seen on the Space Shuttle Columbia Memorial after a ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 28, 2021, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
NASA leadership and guests are seen during a moment of silence led by NASA Administrator Jared Isaacman as part of NASA's Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
NASA astronauts Mark Vande Hei, left, and Joe Acaba, center, meet with the Honor Guard at the Tomb of the Unknowns, Friday, June 15, 2018 at the Arlington National Cemetery in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
Acting NASA Administrator Steve Jurczyk places a wreath at the Space Shuttle Challenger Memorial during a ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 28, 2021, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
NASA astronauts Joe Acaba, second from left, and Mark Vande Hei, right, visit the gravesite of former astronaut and U.S. Senator John Glenn, Friday, June 15, 2018 at the Arlington National Cemetery in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
Lowell Grissom, brother of Apollo 1 astronaut Virgil I. “Gus” Grissom, is joined by NASA Administrator Bill Nelson as he places flowers at the Apollo 1 monument during its dedication at Arlington National Cemetery, Thursday, June 2, 2022, in Arlington, Va. The monument honors and memorializes the Apollo 1 crew of Virgil I. “Gus” Grissom, Edward H. White II, and Roger B. Chaffee. Photo Credit: (NASA/Bill Ingalls)
Apollo 1 Monument Dedication
Family members of Apollo 1 astronaut Roger B. Chaffee are joined by NASA Administrator Bill Nelson as they place flowers at the Apollo 1 Monument during its dedication at Arlington National Cemetery, Thursday, June 2, 2022, in Arlington, Va. The monument honors and memorializes the Apollo 1 crew of Virgil I. “Gus” Grissom, Edward H. White II, and Roger B. Chaffee.  Photo Credit: (NASA/Bill Ingalls)
Apollo 1 Monument Dedication
NASA Administrator Charles Bolden and his wife Alexis lay a wreath at the Tomb of the Unknowns as part of NASA's Day of Remembrance, Friday, Jan. 31, 2014, at Arlington National Cemetery.  The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
NASA personnel and members of the public watch as a wreath is laid at the Tomb of the Unknowns by NASA Administrator Charles Bolden as part of NASA's Day of Remembrance, Friday, Jan. 31, 2014, at Arlington National Cemetery.  The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
The graves of Apollo 1 crew members, Virgil Grissom, left, and Roger Chaffee are seen during a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 25, 2018, at Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Lyn Glenn, center, and David Glenn, right, daughter and son of the former astronaut and U.S. Senator John Glenn are seen as their father is laid to rest during a full military honors interment ceremony at Arlington National Cemetery on Thursday, April 6, 2017 in Virginia. He was the first American to orbit Earth on Feb. 20, 1962, in a five-hour flight aboard the Friendship 7 spacecraft. In 1998, Glenn broke another record by returning to space at the age of 77 on the Space Shuttle Discovery.  Photo Credit: (NASA/Aubrey Gemignani)
John Glenn Interment
NASA leadership and guests are seen during a moment of silence led by NASA Administrator Jared Isaacman as part of NASA's Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
June Scobee Rodgers, widow of Challenger Space Shuttle Commander Dick Scobee and NASA Administrator Charles Bolden, along with others from NASA, visit the Space Shuttle Columbia Memorial during a wreath laying ceremony that was part of NASA's Day of Remembrance, Friday, Feb. 1, 2013, at Arlington National Cemetery.  Wreathes were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day Of Remembrance
A horse drawn caisson carries former astronaut and U.S. Senator John Glenn to his final resting place during the interment ceremony at Arlington National Cemetery on Thursday, April 6, 2017 in Virginia. Glenn was the first American to orbit Earth on Feb. 20, 1962, in a five-hour flight aboard the Friendship 7 spacecraft. In 1998, he broke another record by returning to space at the age of 77 on the Space Shuttle Discovery. Photo Credit: (NASA/Aubrey Gemignani)
John Glenn Interment
Apollo 11 astronaut Buzz Aldrin salutes as NASA Administrator Charles Bolden looks on during a wreath laying ceremony as part of NASA's Day of Remembrance, Friday, Feb. 1, 2013, at Arlington National Cemetery.  Wreathes were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day Of Remembrance
The Space Shuttle Columbia memorial is seen after a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 25, 2024, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
NASA Administrator Bill Nelson is escorted to the Tomb of the Unknowns for a wreath laying ceremony by Executive Director of the Office of Army Cemeteries, Karen Durham-Aguilera, as part of NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va.  The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
NASA astronaut Joe Acaba, right, shakes hands with Lieutenant Colonel Jeffery Todd Burroughs, battalion commander, Old Guard, Friday, June 15, 2018 at the Arlington National Cemetery in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
NASA Administrator Bill Nelson prepares to be escorted to the Tomb of the Unknowns for a wreath laying ceremony, as part of NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va.  The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
Amy Resnik, sister-in-law of the late space shuttle Challenger astronaut Judy Resnik, left, and Kristy Carroll, family friend of the late space shuttle Columbia astronaut William McCool embrace by the Space Shuttle Columbia and Challenger Memorials during NASA's Day of Remembrance, Thursday, Jan. 25, 2018, at Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Taps is played by the Honor Guard after NASA Administrator Charles Bolden, left, and his wife Alexis laid a wreath at the Tomb of the Unknowns as part of NASA's Day of Remembrance, Friday, Jan. 31, 2014, at Arlington National Cemetery.  The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
NASA Administrator Bill Nelson and NASA Deputy Administrator Pam Melroy place flowers at the grave markers of Virgil "Gus" Grissom and Roger Chaffee from Apollo 1, during a ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 25, 2024, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
Members of The Old Guard, 3rd U.S. Infantry Regiment carry a wreath that will be laid at the Tomb of the Unknowns by NASA Administrator Jared Isaacman as part of NASA's Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
NASA astronaut Mark Vande Hei, center, his wife Julie, left, and NASA astronaut Joe Acaba witness the changing of the guards at the Tomb of the Unknown soldier, Friday, June 15, 2018 at Arlington National Cemetery in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
Sheryl Chaffee, daughter of Apollo 1 astronaut Roger B. Chaffee, delivers remarks at a reception following the dedication of the Apollo 1 monument, Thursday, June 2, 2022, in the Reception Hall of the Military Women’s Memorial at Arlington National Cemetery in Arlington, Va. The monument honors and memorializes the Apollo 1 crew of Virgil I. “Gus” Grissom, Edward H. White II, and Roger B. Chaffee.  Photo Credit: (NASA/Bill Ingalls)
Apollo 1 Monument Dedication
The Apollo 1 monument at Arlington National Cemetery is seen following its dedication, Thursday, June 2, 2022, in Arlington, Va. The monument honors and memorializes the Apollo 1 crew of Virgil I. “Gus” Grissom, Edward H. White II, and Roger B. Chaffee.  Photo Credit: (NASA/Bill Ingalls)
Apollo 1 Monument Dedication
NASA astronaut Mark Vande Hei, center, his wife Julie, left, and NASA astronaut Joe Acaba witness the changing of the guards at the Tomb of the Unknown soldier, Friday, June 15, 2018 at Arlington National Cemetery in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
Lance Bush, President and CEO of the Challenge Center, delivers remarks at a reception following the dedication of the Apollo 1 monument, Thursday, June 2, 2022, in the Reception Hall of the Military Women’s Memorial at Arlington National Cemetery in Arlington, Va. The monument honors and memorializes the Apollo 1 crew of Virgil I. “Gus” Grissom, Edward H. White II, and Roger B. Chaffee.  Photo Credit: (NASA/Bill Ingalls)
Apollo 1 Monument Dedication
NASA astronauts Mark Vande Hei, left, and Joe Acaba, right, present Jerry Farnsworth, chief of staff at Arlington National Cemetery with a patch flown onboard the International Space Station during Expedition 54, Friday, June 15, 2018 in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
From left to right, NASA Associate Administrator Jim Free, NASA Administrator Bill Nelson and NASA Deputy Administrator Pam Melroy are seen during a wreath laying ceremony, as a part of NASA's Day of Remembrance, Thursday, Jan. 25, 2024, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
Kristy Carroll, family friend of the late space shuttle Columbia astronaut William McCool, places Hawaiian Leis at the Space Shuttle Columbia Memorial during NASA's Day of Remembrance, Thursday, Jan. 25, 2018, Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
A wreath is seen by the Space Shuttle Challenger Memorial during a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 25, 2024, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
The grave marker of Roger Chaffee from Apollo 1, is seen after a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va.  Wreaths and flowers were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
NASA Administrator Jared Isaacman delivers remarks during a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
Remembrances are seen at the base of the Space Shuttle Challenger Crew Memorial during NASA's Day of Remembrance, Thursday, Jan. 28, 2021, at Arlington National Cemetery in Arlington, Va.  Wreaths were also laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
NASA astronauts Mark Vande Hei, left, and Joe Acaba, center, listen as Sergeant Craig Hudson explains the tradition of the Honor Guard at the Tomb of the Unknowns, Friday, June 15, 2018 at the Arlington National Cemetery in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
From left to right, NASA Deputy Administrator Pam Melroy, NASA Associate Administrator Jim Free, and NASA Administrator Bill Nelson are seen during a wreath laying ceremony, as a part of NASA's Day of Remembrance, Thursday, Jan. 25, 2024, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
NASA Administrator Bill Nelson lays a wreath at the Tomb of the Unknowns as part of NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
NASA Administrator Bill Nelson, NASA Deputy Administrator Pam Melroy, and Columbia astronaut William McCool’s family friend Kristy Carroll help place a lei at the Space Shuttle Columbia Memorial during a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 25, 2024, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
Members of The Old Guard bring in a wreath to be laid the Tomb of the Unknowns by acting NASA Administrator Steve Jurczyk as part of NASA's Day of Remembrance, Thursday, Jan. 28, 2021, at Arlington National Cemetery in Arlington, Va.  Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Columbia astronaut William McCool’s family representatives Jane Tani and Dan Tani, right, as well as family of Challenger astronaut Judy Resnik, Chuck Resnik, left, and Amy Resnik, center, help place a lei at the Space Shuttle Columbia Memorial during a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
NASA Administrator Bill Nelson, NASA Deputy Administrator Pam Melroy, and Columbia astronaut William McCool’s family friend Kristy Carroll help place a lei at the Space Shuttle Columbia Memorial during a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 25, 2024, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
The grave marker of Virgil "Gus" Grissom from Apollo 1, is seen after a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va.  Wreaths and flowers were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
The full Moon and the U.S. Capitol are seen early in the evening on Tuesday, Feb. 7, 2012 from Arlington National Cemetery. Photo Credit: (NASA/Bill Ingalls)
Full Moon
The Space Shuttle Challenger Memorial is seen after a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 28, 2021, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Annie Glenn, wife of former astronaut and U.S. Senator John Glenn receives the folded American flag from Commandant of the U.S. Marine Corps, General Robert B. Neller, during a graveside interment ceremony at Arlington National Cemetery in Virginia on Thursday, April 6, 2017, the day on which Glenn and Annie were married in 1943. He was the first American to orbit Earth on Feb. 20, 1962, in a five-hour flight aboard the Friendship 7 spacecraft. In 1998, Glenn broke another record by returning to space at the age of 77 on the Space Shuttle Discovery. Photo Credit: (NASA/Aubrey Gemignani)
John Glenn Interment
Acting NASA Administrator Steve Jurczyk speaks to NASA personnel and others during a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 28, 2021, at Arlington National Cemetery in Arlington, Va.  The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
NASA Administrator Bill Nelson and NASA Deputy Administrator Pam Melroy place flowers at the grave markers of Virgil "Gus" Grissom and Roger Chaffee from Apollo 1, during a ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 25, 2024, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
NASA astronaut Mark Vande Hei, center, his wife Julie, left, and NASA astronaut Joe Acaba witness the changing of the guards at the Tomb of the Unknown soldier, Friday, June 15, 2018 at Arlington National Cemetery in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
NASA personnel and members of the public watch as a wreath is laid at Tomb of the Unknowns during NASA's Day of Remembrance, Thursday, Jan. 25, 2018, at Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Acting NASA Administrator Robert Lightfoot, NASA employees, and members of the public bow their heads at the graves of Apollo 1 crew members, Virgil Grissom and Roger Chaffee during a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 25, 2018, at Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Tim Frank describes the history of the Tomb Guard to NASA astronauts Mark Vande Hei, left, and Joe Acaba, center, Friday, June 15, 2018 at Arlington National Cemetery in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
Lyn Glenn, daughter of former astronaut and U.S. Senator John Glenn receives the folded American flag from the Commandant of the U.S. Marine Corps, General Robert B. Neller, during a graveside interment ceremony at Arlington National Cemetery on Thursday, April 6, 2017 in Virginia. He was the first American to orbit Earth on Feb. 20, 1962, in a five-hour flight aboard the Friendship 7 spacecraft. In 1998, Glenn broke another record by returning to space at the age of 77 on the Space Shuttle Discovery. Photo Credit: (NASA/Aubrey Gemignani)
John Glenn Interment
Acting NASA Administrator Robert Lightfoot visits the graves of Apollo 1 crew members, Virgil Grissom and Roger Chaffee, during a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 25, 2018, at Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Minister for Public Diplomacy at the Embassy of Israel in Washington Sawsan Hasson, left, and NASA Administrator Jared Isaacman, right, place a wreath as part of NASA's Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
A wreath is laid at the Tomb of the Unknowns by acting NASA Administrator Steve Jurczyk as part of NASA's Day of Remembrance, Thursday, Jan. 28, 2021, at Arlington National Cemetery in Arlington, Va.  The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Columbia astronaut William McCool’s family representatives Jane Tani and Dan Tani, visit the Space Shuttle Columbia Memorial after a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
NASA Administrator Bill Nelson delivers remarks at the dedication of the Apollo 1 monument at Arlington National Cemetery, Thursday, June 2, 2022, in Arlington, Va. The monument honors and memorializes the Apollo 1 crew of Virgil I. “Gus” Grissom, Edward H. White II, and Roger B. Chaffee. Photo Credit: (NASA/Bill Ingalls)
Apollo 1 Monument Dedication
NASA Administrator Bill Nelson lays a wreath at the Space Shuttle Challenger Memorial during NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
NASA astronaut Mark Vande Hei, center, his wife Julie, right, and NASA astronaut Joe Acaba witness the changing of the guards at the Tomb of the Unknown soldier, Friday, June 15, 2018 at Arlington National Cemetery in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
The Space Shuttle Challenger Memorial is seen after a wreath laying ceremony that was part of NASA's Day of Remembrance, Friday, Jan. 31, 2014, at Arlington National Cemetery.  Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Amy Resnik, sister-in-law, left, and Chuck Resnik, brother of the late space shuttle Challenger astronaut Judy Resnik, along with acting NASA Administrator Robert Lightfoot, third from left, lay a wreath at the Tomb of the Unknowns during NASA's Day of Remembrance, Thursday, Jan. 25, 2018, at Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
NASA Administrator Bill Nelson is seen leaving the Tomb of the Unknowns with Executive Director of the Office of Army Cemeteries, Karen Durham-Aguilera, after a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va.  The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
NASA Administrator Jared Isaacman, right, and Executive Director of the Office of Army Cemeteries Karen Durham-Aguilera, left, watch the changing of the guard at the Tomb of the Unknowns as part of NASA's Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
NASA astronaut Mark Vande Hei, left, and his wife Julie walk through the amphitheater at Arlington National Cemetery, Friday, June 15, 2018  in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
NASA Administrator Charles Bolden and other NASA personnel participate in a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 27, 2011, at Arlington National Cemetery.  Wreathes were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
A Marine Corps honor guard folds the colors as family and friends look on during a funeral service for former astronaut and U.S. Senator John Glenn, who was buried with full military honors, at Arlington National Cemetery in Virginia on Thursday, April 6, 2017, the day on which he and his wife Annie were married in 1943. Glenn was the first American to orbit Earth on Feb. 20, 1962, in a five-hour flight aboard the Friendship 7 spacecraft. In 1998, he broke another record by returning to space at the age of 77 on the Space Shuttle Discovery. Photo Credit: (NASA/Aubrey Gemignani)
John Glenn Interment
A Marine Corps honor guard folds the colors during a funeral service for former astronaut and U.S. Senator John Glenn, who was buried with full military honors, at Arlington National Cemetery in Virginia on Thursday, April 6, 2017, the day on which he and his wife Annie were married in 1943. Glenn was the first American to orbit Earth on Feb. 20, 1962, in a five-hour flight aboard the Friendship 7 spacecraft. In 1998, he broke another record by returning to space at the age of 77 on the Space Shuttle Discovery. Photo Credit: (NASA/Aubrey Gemignani)
John Glenn Interment
The Space Shuttle Columbia Memorial is seen after a wreath laying ceremony that was part of NASA's Day of Remembrance, Friday, Jan. 31, 2014, at Arlington National Cemetery.  Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
NASA Administrator Bill Nelson, along with representatives from the Embassy of Israel, Minister for Public Diplomacy, Sawsan Hasson, center, and Counselor for Public Diplomacy, Efrat Hochstetler, right, lay a wreath at the Space Shuttle Columbia Memorial during NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
The Space Shuttle Challenger Memorial is seen after a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 28, 2021, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
NASA astronauts Mark Vande Hei, left, and Joe Acaba, right, present Jerry Farnsworth, chief of staff at Arlington National Cemetery with a montage from Expedition 54, Friday, June 15, 2018 in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
Mike Oldak, Resnik Family member, left, Chuck Resnik, brother of the late space shuttle Challenger astronaut Judy Resnik, Amy Resnik, sister-in-law of the late Judy Resnik and acting NASA Administrator Robert Lightfoot, right, are seen after laying a wreath at the Space Shuttle Columbia Memorial as part of NASA's Day of Remembrance, Thursday, Jan. 25, 2018, Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Kristy Carroll, family friend of the late space shuttle Columbia astronaut William McCool, and acting NASA Administrator Robert Lightfoot lay a wreath at the Space Shuttle Columbia Memorial as part of NASA's Day of Remembrance, Thursday, Jan. 25, 2018, at Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Flowers are seen at the grave marker of Roger Chaffee from Apollo 1 after NASA Administrator Bill Nelson and Deputy Administrator Pam Melroy placed them there during a ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 25, 2024, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
Eric Fanning, AIA President and CEO, left, Lance Bush, President and CEO of the Challenge Center, center, NASA Administrator Bill Nelson, left, are seen as they deliver remarks during the dedication of the Apollo 1 monument at Arlington National Cemetery, Thursday, June 2, 2022, in Arlington, Va. The monument honors and memorializes the Apollo 1 crew of Virgil I. “Gus” Grissom, Edward H. White II, and Roger B. Chaffee. Photo Credit: (NASA/Bill Ingalls)
Apollo 1 Monument Dedication
The Apollo 1 grave sites of Virgil I. “Gus” Grissom, and Roger B. Chaffee are seen with flowers as part of NASA's Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
NASA employees and members of the public listen as acting NASA Administrator Robert Lightfoot gives remarks at the graves of Apollo 1 crew members, Virgil Grissom and Roger Chaffee, during a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 25, 2018, at Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Members of The Old Guard, 3rd U.S. Infantry Regiment, are seen carrying in a wreath that will be placed at the Tomb of the Unknowns by NASA Administrator Bill Nelson during NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va.  The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
The Apollo1 Memorial is seen after a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
The Space Shuttle Columbia Memorial is seen after June Scobee Rodgers, widow of Challenger Space Shuttle Commander Dick Scobee and NASA Administrator Charles Bolden, along with others from NASA, participated in a wreath laying ceremony that was part of NASA's Day of Remembrance, Friday, Feb. 1, 2013, at Arlington National Cemetery.  Wreathes were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day Of Remembrance
NASA leadership and guests watch the changing of the guard at the Tomb of the Unknowns as part of NASA's Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
Acting NASA Administrator Robert Lightfoot gives remarks at the graves of Apollo 1 crew members, Virgil Grissom and Roger Chaffee, during a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 25, 2018, at Arlington National Cemetery in Arlington, Virginia. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
David Glenn, son of former astronaut and U.S. Senator John Glenn receives the folded American flag from the Commandant of the U.S. Marine Corps, General Robert B. Neller, during a graveside interment ceremony at Arlington National Cemetery on Thursday, April 6, 2017 in Virginia. He was the first American to orbit Earth on Feb. 20, 1962, in a five-hour flight aboard the Friendship 7 spacecraft. In 1998, Glenn broke another record by returning to space at the age of 77 on the Space Shuttle Discovery. Photo Credit: (NASA/Aubrey Gemignani)
John Glenn Interment
Flowers are seen at the grave markers of Virgil "Gus" Grissom and Roger Chaffee from Apollo 1 after NASA Administrator Bill Nelson placed them there during a ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va.  Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
A member of The Old Guard, 3rd U.S. Infantry Regiment, is seen during a changing of the guard at the Tomb of the Unknowns ahead of a wreath laying ceremony during NASA's Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
The headstones of Virgil "Gus" Grissom, left, and Roger Chaffee are seen after a wreath laying ceremony that was part of NASA's Day of Remembrance, Friday, Feb. 1, 2013, at Arlington National Cemetery.  Wreathes were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day Of Remembrance
"Taps" is played during the funeral service for former astronaut and U.S. Senator John Glenn, who was buried with full military honors, at Arlington National Cemetery in Virginia on Thursday, April 6, 2017, the day on which he and his wife Annie were married in 1943. Glenn was the first American to orbit Earth on Feb. 20, 1962, in a five-hour flight aboard the Friendship 7 spacecraft. In 1998, he broke another record by returning to space at the age of 77 on the Space Shuttle Discovery. Photo Credit: (NASA/Aubrey Gemignani)
John Glenn Interment
The grave marker of Virgil "Gus" Grissom, from Apollo 1, is seen after a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 28, 2021, at Arlington National Cemetery in Arlington, Va.  Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
NASA Administrator Bill Nelson lays a wreath at the Tomb of the Unknowns as part of NASA's Day of Remembrance, Thursday, Jan. 26, 2023, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Aubrey Gemignani)
Day of Remembrance
NASA astronauts Mark Vande Hei, left, and Joe Acaba, center, listen as Sergeant Craig Hudson explains the tradition of the Honor Guard at the Tomb of the Unknowns, Friday, June 15, 2018 at the Arlington National Cemetery in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter
The grave markers of Roger Chaffee, and Virgil "Gus" Grissom and from Apollo 1, are seen in this black and white infrared photograph after a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Jan. 28, 2021, at Arlington National Cemetery in Arlington, Va.  Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
A member of The Old Guard, 3rd U.S. Infantry Regiment is seen during a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 25, 2024, at Arlington National Cemetery in Arlington, Va. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
Members of The Old Guard, 3rd U.S. Infantry Regiment are seen with a wreath that will be laid at the Tomb of the Unknowns by NASA Administrator Jared Isaacman as part of NASA's Day of Remembrance, Thursday, Jan. 22, 2026, at Arlington National Cemetery in Arlington, Va. Wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Keegan Barber)
Day of Remembrance
Remembrances are seen left at the base of the Space Shuttle Challenger Crew Memorial during NASA's Day of Remembrance, Friday, Jan. 31, 2014, at Arlington National Cemetery.  Wreaths were also laid in memory of those men and women who lost their lives in the quest for space exploration.  Photo Credit: (NASA/Bill Ingalls)
Day of Remembrance
Annie Glenn, wife of former astronaut and U.S. Senator John Glenn receives the folded American flag from Commandant of the U.S. Marine Corps, General Robert B. Neller, during a graveside interment ceremony at Arlington National Cemetery in Virginia on Thursday, April 6, 2017, the day on which Glenn and Annie were married in 1943. He was the first American to orbit Earth on Feb. 20, 1962, in a five-hour flight aboard the Friendship 7 spacecraft. In 1998, Glenn broke another record by returning to space at the age of 77 on the Space Shuttle Discovery. Photo Credit: (NASA/Aubrey Gemignani)
John Glenn Interment
The Space Shuttle Challenger Memorial is seen just after NASA astronaut Joe Acaba placed a flower there, Friday, June 15, 2018 at Arlington National Cemetery in Arlington, Va. Photo Credit: (NASA/Aubrey Gemignani)
Astronauts Vande Hei and Acaba at the Arlington National Cemeter