A Challenger engineer blamed himself for 30 years. Then this “miracle” happened. https://t.co/Qn4VOrgklZ — Washington Post (@washingtonpost) February 25, 2016
A Challenger engineer blamed himself for 30 years. Then this “miracle” happened. https://t.co/Qn4VOrgklZ
— Washington Post (@washingtonpost) February 25, 2016