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.'

Stennis Space Center Director Patrick Scheuermann (left) and Associate Director Ken Human place a wreath in the Roy S. Estess Building on Jan. 25, 2012, in memory of the NASA family who lost their lives while furthering the cause of exploration and discovery. The wreath was placed during NASA's 2012 Day of Remembrance, which is observed each January.

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.

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 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.

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.

Following the Kennedy Space Center's NASA Day of Remembrance ceremony, Family members of fallen astronauts placed a wreath at the Space Mirror Memorial. The monument includes the names of the fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument's 45-foot-high-by-50-foot-wide polished black granite surface.

Family members of fallen astronauts Kathie Scobee Fulgham, Lowell Grissom, Sheryl Chaffee, and Karen Bassett Stevenson place a wreath at the Space Mirror Memorial at NASA’s Kennedy Space Center Visitor Complex in Florida on Thursday, Jan. 25, 2024, during the agency’s Day of Remembrance. The annual tradition pays tribute to fallen astronauts and astronaut candidates who lost their lives while furthering the cause of exploration and discovery, including the crews of Apollo 1, Challenger STS-51L, and Columbia STS-107.

Flowers are placed in front of the Space Mirror Memorial at the Kennedy Space Center Visitor Complex after this year’s Day of Remembrance ceremony. The memorial, a 42-foot-high by 50-foot-wide granite monument, displays the names of the fallen astronauts from Apollo 1, space shuttles Challenger and Columbia, as well as others who have lost their lives while on NASA missions or in training. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

The audience looks on during the NASA Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020. 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 at the annual event.

A memorial wreath stands before the Space Mirror Memorial at the Kennedy Space Center Visitor Complex during this year’s Day of Remembrance ceremony. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

A wreath is displayed during the NASA Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020. 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 at the annual event.

The Brevard County Fire Rescue Honor Guard presents the colors during this year’s Day of Remembrance ceremony at the Kennedy Space Center Visitor Complex. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

Kennedy Space Center Director Bob Cabana speaks during this year’s Day of Remembrance ceremony at the Kennedy Space Center Visitor Complex. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

A wreath is displayed during the NASA Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020. 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 at the annual event.

A memorial wreath stands before the Space Mirror Memorial at the Kennedy Space Center Visitor Complex during this year’s Day of Remembrance ceremony. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

Following the Kennedy Space Center's NASA Day of Remembrance ceremony, Family members of fallen astronauts placed a wreath at the Space Mirror Memorial. From the left, are Kathie Scobee Flugham, daughter of 51-L Challenger astronaut Dick Scobee, June Scobee Rodgers, Scobee's widow and State Rep. Thad Altman, president and chief executive officer of the Astronauts Memorial Foundation. They are standing in front of the memorial includes the names of the fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument's 45-foot-high-by-50-foot-wide polished black granite surface.

Guests place flowers in front of the Space Mirror Memorial at the Kennedy Space Center Visitor Complex during this year’s Day of Remembrance ceremony. The memorial, a 42-foot-high by 50-foot-wide granite monument, displays the names of the fallen astronauts from Apollo 1, space shuttles Challenger and Columbia, as well as others who have lost their lives while on NASA missions or in training. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

A memorial wreath stands before the Space Mirror Memorial at the Kennedy Space Center Visitor Complex during this year’s Day of Remembrance ceremony. The memorial, a 42-foot-high by 50-foot-wide granite monument, displays the names of the fallen astronauts from Apollo 1, space shuttles Challenger and Columbia, as well as others who have lost their lives while on NASA missions or in training. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

A memorial wreath stands before the Space Mirror Memorial at the Kennedy Space Center Visitor Complex during this year’s Day of Remembrance ceremony. The memorial, a 42-foot-high by 50-foot-wide granite monument, displays the names of the fallen astronauts from Apollo 1, space shuttles Challenger and Columbia, as well as others who have lost their lives while on NASA missions or in training. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

Kennedy Space Center Director Bob Cabana and guests place flowers in front of the Space Mirror Memorial at the Kennedy Space Center Visitor Complex during this year’s Day of Remembrance ceremony. The memorial, a 42-foot-high by 50-foot-wide granite monument, displays the names of the fallen astronauts from Apollo 1, space shuttles Challenger and Columbia, as well as others who have lost their lives while on NASA missions or in training. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

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.

KENNEDY SPACE CENTER, FLA. -- In a special commemorative service held at NASA's Kennedy Space Center Visitor Complex to honor NASA's fallen heroes, astronaut Eileen Collins speaks to guests gathered at the Space Mirror Memorial. Collins commanded the first shuttle mission following the Columbia accident, STS-114. Kennedy marked the NASA Day of Remembrance with special ceremonies. This year the crew of Columbia was remembered in a special way on the day that marked the fifth anniversary of the Columbia accident. Photo credit: NASA/Kim Shiflett

KENNEDY SPACE CENTER, FLA. -- A wreath is suspended in front the Space Mirror Memorial at NASA's Kennedy Space Center Visitor Complex in memory of the fallen astronauts who passed away in their journeys of exploration. Kennedy marked the NASA Day of Remembrance with special ceremonies. This year the crew of Columbia was remembered in a special way on the day that marked the fifth anniversary of the Columbia accident. Photo credit: NASA/Kim Shiflett

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.

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.

Following this year's Day of Remembrance ceremony at the Kennedy Space Center Visitor Complex, guests walk to the Space Mirror Memorial. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. Each year spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

Flowers are placed near the Space Mirror Memorial at the Kennedy Space Center Visitor Complex. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. During the annual Day of Remembrance, spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

Following this year's Day of Remembrance ceremony at the Kennedy Space Center Visitor Complex, guests walk to the Space Mirror Memorial. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. Each year spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

Guests place flowers near the Space Mirror Memorial at the Kennedy Space Center Visitor Complex. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. During the annual Day of Remembrance, spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

Flowers are placed near the Space Mirror Memorial at the Kennedy Space Center Visitor Complex. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. During the annual Day of Remembrance, spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

NASA Associate Administrator Bob Cabana, makes remarks during the Day of Remembrance on Jan. 26, 2023, at nearby Kennedy Space Center Visitor Complex in Florida. The event honored 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 marks the 20th anniversary of the Columbia tragedy. 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.

Flowers are placed near the Space Mirror Memorial at the Kennedy Space Center Visitor Complex. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. During the annual Day of Remembrance, spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

Guests place flowers near the Space Mirror Memorial at the Kennedy Space Center Visitor Complex. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. During the annual Day of Remembrance, spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

Kathie Scobee Fulgham, Astronauts Memorial Foundation chair and daughter of Challenger astronaut Francis “Dick” Scobee, delivers remarks honoring fallen astronauts who lost their lives while furthering the cause of exploration and discovery during NASA’s annual Day of Remembrance on Thursday, Jan. 25, 2024, at the Space Mirror Memorial at the agency’s Kennedy Space Center Visitor Complex in Florida. Those remembered include the crews of Apollo 1, Challenger STS-51L, and Columbia STS-107.

The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the Space Mirror Memorial at the Kennedy Space Center Visitor Complex. During the annual Day of Remembrance, spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

Guests place flowers near the Space Mirror Memorial at the Kennedy Space Center Visitor Complex. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. During the annual Day of Remembrance, spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

Guests gather near the Space Mirror Memorial at the Kennedy Space Center Visitor Complex. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. During the annual Day of Remembrance, spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

Guests place flowers near the Space Mirror Memorial at the Kennedy Space Center Visitor Complex. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. During the annual Day of Remembrance, spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

Following this year's Day of Remembrance ceremony at the Kennedy Space Center Visitor Complex, guests pick up flowers to place at the Space Mirror Memorial. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. Each year spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

Guests place flowers near the Space Mirror Memorial at the Kennedy Space Center Visitor Complex. The names of fallen astronauts from Apollo 1, Challenger and Columbia, as well as the astronauts who perished in training and commercial airplane accidents are emblazoned on the monument. During the annual Day of Remembrance, spaceport employees and guests join others throughout NASA honoring the contributions of astronauts who have perished in the conquest of space.

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.

Burt Summerfield, associate director, management, at NASA’s Kennedy Space Center in Florida, speaks as part of the agency’s Day of Remembrance on Thursday, Jan. 25, 2024, at the Space Mirror Memorial at Kennedy Space Center Visitor Complex. The annual tradition honors fallen astronauts and astronaut candidates who lost their lives while furthering the cause of exploration and discovery.

Astronauts Memorial Foundation president and CEO Thad Altman addresses the audience during the NASA Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020. Behind Altman, from left to right, are Kelvin Manning, Kennedy associate director, technical; and Burt Summerfield, associate director, management. 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 at the annual event.

Astronauts Memorial Foundation board member Karen Bassett Stevenson and daughter of Charles Bassett II, delivers remarks honoring fallen astronauts who lost their lives while furthering the cause of exploration and discovery during NASA’s annual Day of Remembrance on Thursday, Jan. 25, 2024, at the Space Mirror Memorial at the agency’s Kennedy Space Center Visitor Complex in Florida. Those remembered include the crews of Apollo 1, Challenger STS-51L, and Columbia STS-107.

Astronauts Memorial Foundation CEO Thad Altman addresses the audience during the NASA Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020. Behind Altman, from left to right, are Kelvin Manning, Kennedy associate director, technical; and Burt Summerfield, associate director, management. 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 at the annual 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.

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.

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.

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.

A wreath is on display at the Space Mirror Memorial at NASA’s Kennedy Space Center Visitor Complex in Florida during the annual Day of Remembrance ceremony on Thursday, Jan. 25, 2024, honoring fallen astronauts who lost their lives while furthering the cause of exploration and discovery including the crews of Apollo 1, Challenger STS-51L, and Columbia STS-107.

Boatswain’s Mate First Class Ronald Stewart rings the bell during the NASA Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020. 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 at the annual 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.

Members of the Palm Bay Magnet High School Marine Corps JROTC participate in the presentation of colors during the NASA Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020. 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 at the annual event.

A flower and wreath are displayed during the NASA Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020. 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 at the annual event.

Attendees of NASA’s Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020 insert flowers into the fence in front of the wall. 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 at the annual event.

Members of the Space Coast Voices sing the National Anthem during the NASA Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020. 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 at the annual event.

The Brevard County Fire Rescue Honor Guard presents the colors during the singing of the national anthem by retired Army Lt. Col. Cynthia Watkins during this year’s Day of Remembrance ceremony at the Kennedy Space Center Visitor Complex. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

Attendees of NASA’s Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020 insert flowers into the fence in front of the wall. 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 at the annual event.

Retired Space Shuttle Launch Director Mike Leinbach 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.

Kennedy Center Director Bob Cabana stands in a moment of silence after placing a memorial wreath before the Space Mirror Memorial at the Kennedy Space Center Visitor Complex during this year’s Day of Remembrance ceremony. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

Members of the Palm Bay Magnet High School Marine Corps JROTC participate in the presentation of colors during the NASA Day of Remembrance ceremony at the Space Mirror Memorial in the Kennedy Space Center Visitor Complex on Jan. 30, 2020. 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 at the annual event.

Kennedy Space Center Deputy Director Janet Petro 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.

Burt Summerfield, associate director, management, at NASA’s Kennedy Space Center in Florida, and Kathie Scobee Fugham, chairman of the Astronauts Memorial Foundation and daughter of Commander Francis “Dick” Scobee, honor astronauts and astronaut candidates who lost their lives while furthering the cause of exploration and discovery during the annual Day of Remembrance ceremony on Thursday, Jan. 25, 2024, held at the Space Mirror Memorial at NASA’s Kennedy Space Center Visitor Complex in Florida. Family members of fallen astronauts hold roses remembering their loved ones, while guests hold carnations to pay their respects.

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.

Sheryl Chafee, Astronauts Memorial Foundation (AMF) Board of Directors chairperson, center, accompanied by NASA Associate Administrator Bob Cabana, and Kennedy Space Director Janet Petro, lay a wreath in front of the Space Mirror Memorial during the Day of Remembrance on Jan. 26, 2023, at the Kennedy Space Center Visitor Complex in Florida. The event honored 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 marks the 20th anniversary of the Columbia tragedy. This year’s ceremony was hosted by the AMF, which was founded after the shuttle Challenger accident in 1986 to honor the sacrifices of fallen astronauts each year.

Sheryl Chafee, Astronauts Memorial Foundation (AMF) Board of Directors chairperson, at right, accompanied by NASA Associate Administrator Bob Cabana, and Kennedy Space Director Janet Petro, lay a wreath in front of the Space Mirror Memorial during the Day of Remembrance on Jan. 26, 2023, at the Kennedy Space Center Visitor Complex in Florida. The event honored 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 marks the 20th anniversary of the Columbia tragedy. This year’s ceremony was hosted by the AMF, which was founded after the shuttle Challenger accident in 1986 to honor the sacrifices of fallen astronauts each year.

From left, Kennedy Space Center Deputy Director Kelvin Manning; Sheryl Chaffee, Astronauts Memorial Foundation (AMF) Board of Directors chairperson; and NASA Associate Administrator Bob Cabana, attend the Day of Remembrance ceremony at the Kennedy Space Center Visitor Complex in Florida on Jan. 26, 2023. The event honored 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 marks the 20th anniversary of the Columbia tragedy. This year’s ceremony was hosted by the AMF, which was founded after the shuttle Challenger accident in 1986 to honor the sacrifices of fallen astronauts each year.

CAPE CANAVERAL, Fla. -- The Patrick Air Force Base honor guard participates in the Day of Remembrance ceremony at the Kennedy Space Center Visitor Complex. Space center employees and guests gathered at the Space Mirror Memorial at the spaceport's visitor complex for the annual event which took place on the 10th anniversary of the loss of the space shuttle Columbia and its crew. The ceremony also honored the astronauts of Apollo 1 and the shuttle Challenger. Dedicated in 1991, the names of fallen astronauts are emblazoned the Space Mirror Memorial's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Image credit: NASA Television

During this year’s Day of Remembrance ceremony at the Kennedy Space Center Visitor Complex, from left, Kennedy Associate Director Kelvin Manning, former Shuttle Launch Director Michael Leinbach, President and Chief Executive Officer of the Astronauts Memorial Foundation (AMF) Thad Altman, AMF Vice Chair Sheryl Chaffee, Kennedy Deputy Director Janet Petro, and Kennedy Center Director Bob Cabana stand in a moment of silence after placing a memorial wreath in front of the Space Mirror Memorial. Each year, Kennedy employees and guests gather with others throughout NASA to honor those astronauts who have fallen in the pursuit of space exploration.

CAPE CANAVERAL, Fla. -- The Patrick Air Force Base honor guard participates in the Day of Remembrance ceremony at the Kennedy Space Center Visitor Complex. Space center employees and guests gathered at the Space Mirror Memorial at the visitor complex for the annual event which took place on the 10th anniversary of the loss of the space shuttle Columbia and its crew. The ceremony also honored the astronauts of Apollo 1 and the shuttle Challenger. Dedicated in 1991, the names of fallen astronauts are emblazoned the Space Mirror Memorial's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Image credit: NASA Television

CAPE CANAVERAL, Fla. -- Former NASA astronaut Eileen Collins speaks during the Day of Remembrance ceremony. She commanded Discovery on the STS-114 mission that returned the shuttle program to flight following STS-107. Visible to the right is former NASA astronaut Jon McBride, chairman of the Astronauts Memorial Foundation board of directors. Space center employees and guests gathered at the Space Mirror Memorial at the spaceport's visitor complex for the annual event which took place on the 10th anniversary of the loss of the space shuttle Columbia and its crew. The ceremony also honored the astronauts of Apollo 1 and the shuttle Challenger. Dedicated in 1991, the names of fallen astronauts are emblazoned the Space Mirror Memorial's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Image credit: NASA Television

CAPE CANAVERAL, Fla. -- State Sen. Thad Altman, president and chief executive officer of the Astronauts Memorial Foundation, speaks during the Day of Remembrance ceremony. Visible to the right is former NASA astronaut Jon McBride, chairman of the Astronauts Memorial Foundation board of directors. Space center Employees and guests gathered at the Space Mirror Memorial at the visitor complex for the annual event which took place on the 10th anniversary of the loss of the space shuttle Columbia and its crew. The ceremony also honored the astronauts of Apollo 1 and the shuttle Challenger. Dedicated in 1991, the names of fallen astronauts are emblazoned the Space Mirror Memorial's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Image credit: NASA Television

CAPE CANAVERAL, Fla. -- NASA Associate Administrator Robert Lightfoot speaks during the Day of Remembrance ceremony. Visible to the right is former NASA astronaut Jon McBride, chairman of the Astronauts Memorial Foundation board of directors. Space center employees and guests gathered at the Space Mirror Memorial at the spaceport's visitor complex for the annual event which took place on the 10th anniversary of the loss of the space shuttle Columbia and its crew. The ceremony also honored the astronauts of Apollo 1 and the shuttle Challenger. Dedicated in 1991, the names of fallen astronauts are emblazoned the Space Mirror Memorial's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Image credit: NASA Television

CAPE CANAVERAL, Fla. -- Kennedy Space Center director Bob Cabana, a former space shuttle commander, speaks during the Day of Remembrance ceremony. Visible to the right is former NASA astronaut Jon McBride, chairman of the Astronauts Memorial Foundation board of directors. Space center employees and guests gathered at the Space Mirror Memorial at the visitor complex for the annual event which took place on the 10th anniversary of the loss of the space shuttle Columbia and its crew. The ceremony also honored the astronauts of Apollo 1 and the shuttle Challenger. Dedicated in 1991, the names of fallen astronauts are emblazoned the Space Mirror Memorial's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Image credit: NASA Television

CAPE CANAVERAL, Fla. -- Associate Administrator for Human Exploration and Operations William Gerstenmaier speaks during the Day of Remembrance ceremony. Visible to the right is former NASA astronaut Jon McBride, chairman of the Astronauts Memorial Foundation board of directors. Space center Employees and guests gathered at the Space Mirror Memorial at the visitor complex for the annual event which took place on the 10th anniversary of the loss of the space shuttle Columbia and its crew. The ceremony also honored the astronauts of Apollo 1 and the shuttle Challenger. Dedicated in 1991, the names of fallen astronauts are emblazoned the Space Mirror Memorial's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Image credit: NASA Television

CAPE CANAVERAL, Fla. -- Evelyn Husband-Thompson, widow of STS-107 commander Rick Husband, speaks during the Day of Remembrance ceremony. Visible to the right is former NASA astronaut Jon McBride, chairman of the Astronauts Memorial Foundation board of directors. Space center employees and guests gathered at the Space Mirror Memorial at the visitor complex for the annual event which took place on the 10th anniversary of the loss of the space shuttle Columbia and its crew. The ceremony also honored the astronauts of Apollo 1 and the shuttle Challenger. Dedicated in 1991, the names of fallen astronauts are emblazoned the Space Mirror Memorial's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Image credit: NASA Television

CAPE CANAVERAL, Fla. -- Former NASA astronaut Jon McBride, chairman of the Astronauts Memorial Foundation board of directors, speaks during the Day of Remembrance ceremony. Partially visible to the right is Evelyn Husband-Thompson, widow of STS-107 commander Rick Husband. Space center employees and guests gathered at the Space Mirror Memorial at the spaceport's visitor complex for the annual event which took place on the 10th anniversary of the loss of the space shuttle Columbia and its crew. The ceremony also honored the astronauts of Apollo 1 and the shuttle Challenger. Dedicated in 1991, the names of fallen astronauts are emblazoned the Space Mirror Memorial's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Image credit: NASA Television

CAPE CANAVERAL, Fla. -- Under rainy skies, Kennedy Space Center Director Bob Cabana and Deputy Center Director Janet Petro placed a wreath in front of the Space Mirror Memorial at the spaceport's Visitor Complex during NASA's Day of Remembrance. The brief ceremony honored the astronauts of Apollo 1, who were lost in 1967, the shuttle Challenger crew, who perished in 1986, the space shuttle Columbia astronauts who were lost in 2003, as well as other astronauts who gave their lives while furthering the cause of exploration and discovery. Dedicated in 1991, the names of fallen astronauts are emblazoned the monument's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. -- Kennedy Space Center Employees and guests placed flowers at the Space Mirror Memorial at the spaceport's Visitor Complex during NASA's Day of Remembrance. A brief ceremony honored the astronauts of Apollo 1, who were lost in 1967, the shuttle Challenger crew, who perished in 1986, the space shuttle Columbia astronauts who were lost in 2003, as well as other astronauts who gave their lives while furthering the cause of exploration and discovery. Dedicated in 1991, the names of fallen astronauts are emblazoned the monument's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. -- Under rainy skies, Kennedy Space Center Director Bob Cabana speaks to guests after placing a wreath in front of the Space Mirror Memorial at the spaceport's Visitor Complex during NASA's Day of Remembrance. The brief ceremony honored the astronauts of Apollo 1, who were lost in 1967, the shuttle Challenger crew, who perished in 1986, the space shuttle Columbia astronauts who were lost in 2003, as well as other astronauts who gave their lives while furthering the cause of exploration and discovery. Dedicated in 1991, the names of fallen astronauts are emblazoned the monument's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Photo credit: NASA/Dimitri Gerondidakis

CAPE CANAVERAL, Fla. -- Kennedy Space Center Employees and guests placed wreaths and flowers at the Space Mirror Memorial at the spaceport's Visitor Complex during NASA's Day of Remembrance. The annual event took place on the 10th anniversary of the loss of the space shuttle Columbia and its crew and was hosted by the Astronauts Memorial Foundation. The ceremony also honored the astronauts of Apollo 1, who perished in 1967, and the shuttle Challenger, lost in 1986, as well as other astronauts who lost their lives while furthering the cause of exploration and discovery. Dedicated in 1991, the names of fallen astronauts are emblazoned the monument's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Photo credit: NASA_Jim Grossmann