A memorial for the astronauts of the Shuttle Columbia was held at the Johnson Space Center. President Bush attended and gave a speech honoring the astronauts. A quote from his speech:
"This cause of exploration and discovery is not an option we choose; it is a desire written in the human heart. We are that part of creation which seeks to understand all creation. We find the best among us, send them forth into unmapped darkness, and pray they will return. They go in peace for all mankind, and all mankind is in their debt."
STS-107 crew were Commander Rick D. Husband, Mission Specialist Kalpana
Chawla, Pilot William C. McCool, Mission Specialists David M. Brown,
Laurel B. Clark and Michael P. Anderson, and Payload Specialist Ilan