The Columbia disaster occurred on Feb. 1, 2003 when the space shuttle broke apart, killing its entire crew. An investigation led to changes in NASA procedures.
Remembering the Space Shuttle Columbia disaster, 20 years later : NPR
Space Shuttle Columbia: NASA's First Shuttle in Space
Pin on NASA
LYLE JAMES DOZA at his retirement party
What (and When) Is NASA's Day of Remembrance?, Cake Blog
Lessons from The Space Shuttle Columbia Disaster
Space shuttle Columbia disaster: 20 years later, lessons learned still in sharp focus at NASA - CBS News
Columbia
The Perilous Fate of the American Space Pioneers, by Campfire Stories: Astonishing History
What caused the Space Shuttle Columbia disaster?
Remembering the Space Shuttle Columbia disaster, 20 years later : NPR
