After several delays, the crew prepares for launch as engineers and NASA officials tensely discuss concerns about the O-rings and a cold weather launch.
المشاهدات:1
Challenger’s shocking explosion devastates the families of the crew as well as millions watching live, and an investigation puts NASA on the defensive.
المشاهدات:1
The new Space Shuttle program captivates America and draws a diverse, determined crop of astronauts. But safety issues arise out of public view.
المشاهدات:1
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