Remembering Allan McDonald He Refused To Approve Challenger Launch(04)

Remembering Allan McDonald He Refused To Approve Challenger Launch(04)


Image gallery: Human Interestallan Mcdonald Who Refused To Approve Launch Of Ill Fated Challenger Space Shuttle Dies At 83

Engineer Warned NASA About Launch of Challenger Shuttle Dies at 83 Allan McDonald, Thiokol engineer who refused to sign off on Challenger Remembering Allan McDonald He Refused To Approve Challenger Launch Allan McDonald Dies at 83; Tried to Stop the Challenger Launch The Remembering Allan McDonald He Refused To Approve Challenger Launch