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From left, Bob Cabana, Associate Administrator of NASA; Sheryl Chaffee, daughter of Apollo 1 astronaut Roger Chaffee, and Janet Petro, NASA KSC director, bow their heads in prayer during NASAâs Day of Remembrance ceremony, hosted by the Astronauts Memorial Foundation at Kennedy Space Center Visitor Complex on Jan. 26, 2023. The ceremony highlighted the crew of Space Shuttle Columbia STS-107 for the 20th anniversary of the mission disaster that killed seven astronauts on Feb. 1, 2003. (Joe Burbank/Orlando Sentinel/Tribune News Service via Getty Images)