for absent friends

January 27, 1967
Apollo I
Edward H White II
Virgil I. "Gus" Grissom
Roger B. Chaffee


January 28, 1986
Space Shuttle Challenger
Francis R. "Dick" Scobee
Michael J. Smith
Judith A. Resnik
Ronald E. McNair
Ellison S. Onizuka
Gregory B. Jarvis
Sharon Christa McAuliffe


February 1, 2003
Space Shuttle Columbia
Rick D. Husband
William C. McCool
Michael P. Anderson
David M. Brown
Kalpana Chawla
Laurel Blair Salton Clark
Ilan Ramon