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Report comment Reply Leave a Reply Cancel reply Enter your comment hereShop Now Probably no one felt more disappointment and regret than Allan McDonald, who had warned us not to launch that daySeller's Description Very goodAbout five hundred media had been accredited forChallenger—as opposed to five times that number for STS-1He hadnt fully appreciated the enormous number of people working on the shuttle, and the sheer scale of their dedicated effortThe space shuttle Challenger had exploded a little more than a minute after launch, killing everyone on boardA common argument for accepting flight risks was that the same risk was flown before with no failure, and that fact was accepted as an argument for the safety of accepting it againLater, as I started to go to more technical meetings, I learned the difficulty of managing risk posed by a highly complex vehicle.” The accident triggered in-depth investigations and denied the nation of human access to space for almost three yearsReport comment Reply alansqb says: October 2, 2017 at 7:08 pm I was in middle school about 50 miles east of Cape Canaveral1977-78 An engineer discovers during tests that under pressure the joints rotated significantly causing the secondary o-ring to become ineffective“Do you think it will go, MrBeauty LoadingBut the testing is part of a rigorous development environment that ensures good results! Feynman points out that the correct way to reduce costs is not to remove testing, the correct way to reduce costs is to lessen the number of times the payload gets fiddled or changed or played with, triggering the expensive re-testing! The more things change, the more they stay the same& Report comment Reply MartynC says: October 2, 2017 at 7:54 pm I work in manufacturing and this attitude is true here as wellSure, there was development work on payload deployment, particularly if the payload had odd requirements, but even that wasnt a re-write of the underlying softwareEXPAND PRODUCT DETAILS Cornerstones of FreedomIt highlighted the role played by political decisions and uncertain year-to-year fundingHealth & Nutrition LoadingQuick View Truth, Lies, and O-Rings: Inside the Space Shuttle Challenger Disaster $39.94 Sold by Abebooks $0.80 Cashback 9780813033266 What they didnt want you to know "We all watched in shock and disbelief whenChallengerwas lostTwo resulted in loss of vehicle and loss of human life d53ff467a2

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