
HOMER HICKAM MAKES COMMENTS AT USSRC DAY OF REMEMBRANCE EVENT, 2016

TODD MAY MAKES COMMENTS AT USSRC DAY OF REMEMBRANCE, 2016

DR. DEBORAH BARNHART MAKES COMMENTS AT USSRC DAY OF REMEMBRANCE EVENT, 2016

A Day of Remembrance 2021

A Day of Remembrance 2021

A Day of Remembrance 2021

A Day of Remembrance 2021

A Day of Remembrance 2021

JOHN HONEYCUTT, DEPUTY MANAGER OF THE SPACE LAUNCH SYSTEM, MAKES COMMENTS AT ANNUAL DAY OF REMEMBRANCE EVENT

JOHN HONEYCUTT, DEPUTY MANAGER OF THE SPACE LAUNCH SYSTEM, MAKES COMMENTS AT ANNUAL DAY OF REMEMBRANCE EVENT

Early morning sunlight illuminates the Space Mirror Memorial at Kennedy Space Center Visitor Complex in Florida, where a wreath-laying ceremony will take place as part of Kennedy Space Center's Day of Remembrance. The annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

A wreath is placed near the Space Mirror Memorial at the Kennedy Space Center Visitor Complex in preparation for Kennedy Space Center's Day of Remembrance ceremony. The annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

NASA astronaut Raja Chari places a flower before the Space Mirror Memorial at the Kennedy Space Center Visitor Complex in Florida during NASA’s Day of Remembrance on Thursday, Jan. 23, 2025. The mirror was dedicated in 1991 to honor all astronauts who lost their lives on missions or during training. During the Day of Remembrance, NASA centers across the country honor those astronauts who have fallen in the pursuit of space exploration.

Flowers placed before the Space Mirror Memorial at the Kennedy Space Center Visitor Complex in Florida commemorate NASA’s Day of Remembrance on Thursday, Jan. 23, 2025. The mirror was dedicated in 1991 to honor all astronauts who lost their lives on missions or during training. During the Day of Remembrance, NASA centers across the country honor those astronauts who have fallen in the pursuit of space exploration.

Following Kennedy Space Center's Day of Remembrance ceremony in the Center for Space Education at the Kennedy visitor complex, guests gathered to place flowers at the Space Mirror Memorial. Many of those in attendance were family members of the fallen astronauts.

Following Kennedy Space Center's Day of Remembrance ceremony in the Center for Space Education at the Kennedy visitor complex, guests gathered to place flowers at the Space Mirror Memorial. Many of those in attendance were family members of the fallen astronauts.

An F-104 Starfighter flies above a gathering of NASA officials, family members and other invited guests following Kennedy Space Center's Day of Remembrance ceremony at the Kennedy Space Center Visitor Complex.

Following Kennedy Space Center's Day of Remembrance ceremony in the Center for Space Education at the Kennedy visitor complex, guests gathered to place flowers at the Space Mirror Memorial. Many of those in attendance were family members of the fallen astronauts.

Following Kennedy Space Center's Day of Remembrance ceremony in the Center for Space Education at the Kennedy visitor complex, a wreath was placed at the Space Mirror Memorial family members of the fallen astronauts.

JODY SINGER, DEPUTY DIRECTOR OF NASA'S MARSHALL SPACE FLIGHT CENTER, ADDRESSES MARSHALL TEAM MEMBERS DURING NASA'S DAY OF REMEMBRANCE.

RETIRED NASA ASTRONAUT ROBERT LEE (HOOT) GIBSON DELIVERS COMMENTS AT ANNUAL DAY OF REMEMBRANCE EVENT

RETIRED NASA ASTRONAUT ROBERT LEE (HOOT) GIBSON DELIVERS COMMENTS AT ANNUAL DAY OF REMEMBRANCE EVENT

RETIRED NASA ASTRONAUT ROBERT LEE (HOOT) GIBSON DELIVERS COMMENTS AT ANNUAL DAY OF REMEMBRANCE EVENT

Astronaut Tom Stafford listens to remarks during Kennedy Space Center's Day of Remembrance ceremony. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

Astronaut Buzz Aldrin listens to remarks during Kennedy Space Center's Day of Remembrance ceremony. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

Apollo launch team member John Tribe addresses guests at Kennedy Space Center's Day of Remembrance ceremony. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

Astronaut Charlie Duke addresses guests at Kennedy Space Center's Day of Remembrance ceremony. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

Kennedy Space Center Director Bob Cabana addresses guests at Kennedy Space Center's Day of Remembrance ceremony. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

A plaque adjacent to the Kennedy Space Center Visitor Complex's Space Mirror Memorial includes likenesses of the fallen astronauts who lost their lives in the quest for space exploration. Kennedy Space Center's Day of Remembrance ceremony honors the contributions of all astronauts who lost their lives in the quest for space exploration.

NASA Acting Administrator Robert Lightfoot addresses guests at Kennedy Space Center's Day of Remembrance ceremony. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

Sheryl Chaffee, daughter of Apollo 1 astronaut Roger Chaffee, addresses guests at Kennedy Space Center's Day of Remembrance ceremony. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

Following Kennedy Space Center's Day of Remembrance ceremony in the Center for Space Education at the Kennedy visitor complex, guests including astronauts Tom Stafford, left, and Buzz Aldrin, center, gathered to place flowers at the Space Mirror Memorial. Many of those in attendance were family members of the fallen astronauts.

Astronaut Michael Collins addresses guests at Kennedy Space Center's Day of Remembrance ceremony. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

NASA’s Day of Remembrance is marked by a memorial wreath placed before the Space Mirror Memorial at the Kennedy Space Center Visitor Complex, Jan. 28, 2021. The mirror was dedicated in 1991 to honor all astronauts who lost their lives on missions or during training. During the Day of Remembrance, NASA centers across the country honor those astronauts who have fallen in the pursuit of space exploration.

Flowers placed before the Space Mirror Memorial mark NASA’s Day of Remembrance at the Kennedy Space Center Visitor Complex, Jan. 28, 2021. The mirror was dedicated in 1991 to honor all astronauts who lost their lives on missions or during training. During the Day of Remembrance, NASA centers across the country honor those astronauts who have fallen in the pursuit of space exploration.

NASA’s Day of Remembrance is marked by a memorial wreath placed before the Space Mirror Memorial at the Kennedy Space Center Visitor Complex, Jan. 28, 2021. The mirror was dedicated in 1991 to honor all astronauts who lost their lives on missions or during training. During the Day of Remembrance, NASA centers across the country honor those astronauts who have fallen in the pursuit of space exploration.

Flowers placed before the Space Mirror Memorial mark NASA’s Day of Remembrance at the Kennedy Space Center Visitor Complex, Jan. 28, 2021. The mirror was dedicated in 1991 to honor all astronauts who lost their lives on missions or during training. During the Day of Remembrance, NASA centers across the country honor those astronauts who have fallen in the pursuit of space exploration.

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)

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)

The Space Shuttle Columbia Memorial is seen after a wreath laying ceremony as part of NASA’s Day of Remembrance, Thursday, Jan. 30, 2020, 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/Joel Kowsky)

The Space Shuttle Challenger Memorial is seen prior to a wreath laying ceremony as part of NASA’s Day of Remembrance, Thursday, Jan. 30, 2020, 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/Joel Kowsky)

The Space Shuttle Challenger Memorial is seen after a wreath laying ceremony as part of NASA’s Day of Remembrance, Thursday, Jan. 30, 2020, 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/Joel Kowsky)

Members of The Old Guard prepare for a wreath laying ceremony at the Tomb of the Unknowns as part of NASA’s Day of Remembrance, Thursday, Jan. 30, 2020, 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/Joel Kowsky)

The Space Shuttle Columbia Memorial is seen after a wreath laying ceremony as part of NASA’s Day of Remembrance, Thursday, Jan. 30, 2020, 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/Joel Kowsky)

MARSHALL CENTER DIRECTOR TODD MAY ADDRESSES AUDIENCE AT CHALLENGER ELEMENTARY SCHOOL ON DAY OF REMEMBRANCE

"CELEBRATING THE LEGACY OF ROGER B. CHAFFEE" REMEMBRANCE EVENT AT CHAFFEE ELEMENTARY SCHOOL, HUNTSVILLE, AL.

RICK BURT, MANAGER OF SAFETY AND MISSION ASSURANCE, MAKES COMMENTS AT NASA'S DAY OF REMEMBRANCE AS ROBERT "HOOT" GIBSON, JAN DAVIS, AND RICK CHAPPEL LOOK ON

During the Kennedy Space Center's Day of Remembrance ceremony, musical selections were performed by Brandon Heath, a contemporary Christian musician from Nashville, Tennessee. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

June Scobee Rodgers (center), widow of STS-51L commander Dick Scobee; daughter Kathie Scobee Fulgham; son U.S. Air Force Brig. Gen. Richard Scobee; and other family members and invited guests listen to remarks during Kennedy Space Center's Day of Remembrance ceremony. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

Family members of fallen Apollo 1 astronauts gather beside a wreath placed at the Space Mirror Memorial following Kennedy Space Center's Day of Remembrance ceremony at the Kennedy visitor complex. From left to right are Lowell Grissom, brother of astronaut Gus Grissom; Carly Sparks, granddaughter of Grissom; Bonnie White Baer, daughter of astronaut Ed White II; and Sheryl Chaffee, daughter of Roger Chaffee.

State Rep. Thad Altman, president and chief executive officer of the Astronauts Memorial Foundation, addresses guests at Kennedy Space Center's Day of Remembrance ceremony. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

NASA Administrator Charles Bolden participates 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)

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)

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)

NASA Administrator Charles Bolden participates in a wreath laying ceremony 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)

The Space Shuttle Columbia Memorial is seen after a wreath laying ceremony that was part of NASA's Day of Remembrance, Thursday, Feb. 7, 2019, 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)

The NASA flag is seen flying at half-staff on NASA's Day of Remembrance, Thursday, Feb. 7, 2019, at NASA Headquarters in Washington. Wreaths will be laid at memorial sites in Arlington National Cemetery later today in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Aubrey Gemignani)

Wreaths are seen in the lobby of NASA Headquarters on NASA's Day of Remembrance, Thursday, Feb. 7, 2019, in Washington. The wreaths will be laid at memorial sites in Arlington National Cemetery later today in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Aubrey Gemignani)

NASA Deputy Administrator Shana Dale participates in a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 31, 2008, at Arlington National Cemetery. The wreaths were laid in the memory of those men and women who lost their lives in the quest of space exploration. Photo Credit: (NASA/Bill Ingalls)

NASA Administrator Charles Bolden participates in a wreath laying ceremony as part of NASA's Day of Remembrance, Friday, Jan. 29, 2010, at Arlington National Cemetery. The 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)

The Changing of the Guard at the Tomb of the Unknowns is seen prior to the laying of a wreath as part of NASA’s Day of Remembrance, Thursday, Jan. 30, 2020, 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/Joel Kowsky)

The graves of Apollo 1 crew members, Virgil Grissom 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)

A memorial wreath inside the Kennedy Space Center Visitor Complex in Florida commemorates NASA’s Day of Remembrance on Thursday, Jan. 23, 2025. The annual event honors the crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other astronauts who lost their lives in the pursuit of spaceflight. This year’s ceremony was hosted by the Astronauts Memorial Foundation, which was founded after the shuttle Challenger accident in 1986 to honor the sacrifices of fallen astronauts each year.

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)

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)

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)

Retired NASA astronaut Eileen Collins speaks during NASA’s Day of Remembrance ceremony on Thursday, Jan. 23, 2025, inside the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida. The annual event honors the crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other astronauts who lost their lives in the pursuit of spaceflight. This year’s ceremony was hosted by the Astronauts Memorial Foundation, which was founded after the shuttle Challenger accident in 1986 to honor the sacrifices of fallen astronauts each year.

The Space Shuttle Challenger Memorial, left, and Space Shuttle Columbia Memorial, right, are seen after a wreath laying ceremony as part of NASA’s Day of Remembrance, Thursday, Jan. 30, 2020, 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/Joel Kowsky)

The grave markers of Apollo 1 astronauts Virgil “Gus” Grissom and Roger Chaffee are seen after a wreath laying ceremony that was part of NASA’s Day of Remembrance, Thursday, Jan. 30, 2020, 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/Joel Kowsky)

Astronauts Memorial Foundation President and CEO Thad Altman speaks during NASA’s Day of Remembrance ceremony on Thursday, Jan. 23, 2025, inside the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida. The annual event honors the crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other astronauts who lost their lives in the pursuit of spaceflight. This year’s ceremony was hosted by the Astronauts Memorial Foundation, which was founded after the shuttle Challenger accident in 1986 to honor the sacrifices of fallen astronauts each year.

Stennis Space Center Director Gene Goldman (left) and Deputy Director Patrick Scheuermann place a wreath in StenniSphere in memory of the 17 astronauts lost in service of the space program since 1967. The wreath was placed during NASA's 2009 Day of Remembrance, observed each year on the last Thursday of January.

Av Szyller of Covington, La., recounts his experiences as a Jew living in occupied France in the early 1940s during a Holocaust Days of Remembrance gathering at Stennis Space Center on May 12. Szyller was arrested by Nazi soldiers but managed to escape France after several close calls. However, he lost his father and other family members in Auschwitz. Szyller, 83, returned to Europe in 1945 as a sergeant in the U.S. Army. After the war, he located to Louisiana, where he practices clinical psychology.

NASA officials, family members and other invited guests listen to remarks during Kennedy Space Center's Day of Remembrance ceremony. From left to right are Kennedy Space Center Director Bob Cabana; contemporary Christian musician Brandon Heath; Apollo launch team member John Tribe; Sheryl Chaffee, daughter of Apollo 1 astronaut Roger Chaffee; astronaut Michael Collins; NASA Acting Administrator Robert Lightfoot; and astronaut Charlie Duke. Held this year in the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida, the annual event honors the contributions of all astronauts who lost their lives in the quest for space exploration.

A member of the Brevard County Fire Rescue Honor Guard rings the bell during NASA’s Day of Remembrance ceremony on Thursday, Jan. 23, 2025, inside the Center for Space Education at the Kennedy Space Center Visitor Complex in Florida. The annual event honors the crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other astronauts who lost their lives in the pursuit of spaceflight. This year’s ceremony was hosted by the Astronauts Memorial Foundation, which was founded after the shuttle Challenger accident in 1986 to honor the sacrifices of fallen astronauts each year.

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)

NASA Deputy Administrator Shana Dale, left, and other NASA senior management participate in a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 31 2008, at Arlington National Cemetery. The wreaths were laid in the memory of those men and women who lost their lives in the quest of space exploration. Photo Credit: (NASA/Bill Ingalls)

NASA Acting Administrator Christopher Scolese, left, and other NASA senior leaders participate in a wreath laying ceremony as part of NASA's Day of Remembrance, Thursday, Jan. 29, 2009, at Arlington National Cemetery. The 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)

NASA Administrator Charles Bolden speaks to NASA personnel and others during a wreath laying ceremony 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)

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. 27, 2022, 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)

A wreath placed by NASA Deputy Administrator Shana Dale and other NASA senior management is seen in front of the Columbia memorial Thursday, Jan. 31 2008, at Arlington National Cemetery. The wreath laying ceremony is part of NASA's Day of Remembrance. Wreaths were laid in the memory of those men and women who lost their lives in the quest of space exploration, including the astronaut crews of Columbia, Challenger and Apollo 1. Photo Credit: (NASA/Bill Ingalls)

Amy Resnik, wife of Chuck Resnik, touches the Space Shuttle Challenger Memorial after a wreath laying ceremony as part of NASA’s Day of Remembrance, Thursday, Jan. 30, 2020, at Arlington National Cemetery in Arlington, Va. Chuck Resnik is the brother of late space shuttle Challenger astronaut Judy Resnik. The wreaths were laid in memory of those men and women who lost their lives in the quest for space exploration. Photo Credit: (NASA/Joel Kowsky)

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. 27, 2022, 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)

A wreath placed by NASA Deputy Administrator Shana Dale and other NASA senior management is seen in front of the Challenger memorial Thursday, Jan. 31 2008, at Arlington National Cemetery. The wreath laying ceremony is part of NASA's Day of Remembrance. Wreaths were laid in the memory of those men and women who lost their lives in the quest of space exploration, including the astronaut crews of Columbia, Challenger and Apollo 1. Photo Credit: (NASA/Bill Ingalls)

Patrick Scheuermann (left), deputy director at NASA's John C. Stennis Space Center, and Richard Gilbrech, associate director, place a wreath in memory of the 17 astronauts lost in service of the space program since 1967. The wreath was placed during NASA's 2010 Day of Remembrance, observed each year in January. The annual observance memorializes the three astronauts lost in the Apollo 1 launch pad fire in 1967, the seven astronauts lost in the Challenger tragedy in 1986 and the seven astronauts lost in the Columbia accident in 2003. During the Stennis observance, Scheuermann praised the fallen astronauts as 'brave space pioneers who gave their lives in the cause of exploration and discovery.'

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

Kennedy Space Center Deputy Director Janet Petro listens during NASA’s Day of Remembrance ceremony on Thursday, Jan. 28, 2021, at the Kennedy Space Center Visitor Complex’s Space Mirror Memorial. The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, were honored by Kennedy employees and guests at the annual memorial event.

Kennedy Space Center Associate Director, Technical Kelvin Manning participates in NASA’s Day of Remembrance ceremony on Thursday, Jan. 28, 2021, at the Kennedy Space Center Visitor Complex’s Space Mirror Memorial. The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, were honored by Kennedy employees and guests at the annual memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

Astronauts Memorial Foundation President and CEO Thad Altman speaks during NASA’s Day of Remembrance ceremony on Thursday, Jan. 28, 2021, at the Kennedy Space Center Visitor Complex’s Space Mirror Memorial. The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, were honored by Kennedy employees and guests at the annual memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.

The crews of Apollo 1 and space shuttles Challenger and Columbia, as well as other fallen astronauts who lost their lives in the name of space exploration and discovery, are honored by NASA Kennedy Space Center employees and guests with a ceremony at the Kennedy Visitor Complex’s Space Mirror Memorial on Jan. 28, 2021. The date marked the 35th anniversary of the Challenger tragedy. NASA centers throughout the country participate in the agency’s annual Day of Remembrance memorial event.