Space Shuttle Challenger
Challenger Engineer Who Warned Of Shuttle Disaster Dies
Your Letters Helped Challenger Shuttle Engineer Shed 30 Years Of Guilt
A Challenger engineer blamed himself for 30 years. Then this ‘miracle’ happened., February 25, 2016
30 Years After Explosion, Challenger Engineer Still Blames Himself
Remembering Roger Boisjoly: He Tried To Stop Shuttle Challenger Launch