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Allan McDonald, engineer and whistleblower in Challenger disaster, dies at 83 He tried to postpone the fateful 1986 space shuttle launch over safety concerns, but was overruled by superiors. By Emily LangerThe Washington Post Share Allan McDonald, a rocket scientist and whistleblower who refused to sign off on the space shuttle Challenger’s launch over safety concerns and, after its explosion, argued that the tragedy could have been averted had officials heeded warnings from engineers like himself, died March 6 at a hospital in Ogden, Utah. He was 83. The cause was complications from a recent fall, said his daughter Lora McDonald. For the millions of Americans who turned on their television sets to watch the Challenger take off on Jan. 28, 1986, the image of the space shuttle blowing apart in midair – killing seven astronauts, including New Hampshire schoolteacher Christa McAuliffe – was seared into their memory. The disaster is often described as a ....
Challenger space shuttle whistleblower Allan McDonald dies at 83 washingtonpost.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from washingtonpost.com Daily Mail and Mail on Sunday newspapers.