An unidentified man inspects a piece of debris from the space shuttle Columbia near Lufkin, Texas, February 1, 2003... REUTERS/Str
An unidentified man inspects a piece of debris from the space shuttle Columbia near Lufkin, Texas, February 1, 2003... REUTERS/Str
Astronaut Mark Kelly picks up a piece of debris from space shuttle Columbia marked by flowers left by a passer-by in Nacogdoches, Texas, Saturday, Feb. 1, 2003... . (AP Photo/David J. Phillip)