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Space Shuttle Columbia Disaster

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Space Shuttle Columbia Disaster
The Space Shuttle Columbia disaster happened on February 1st, 2003, which broke on the way back to the Earth. All the astronauts, including two women died in this disaster. The reason why this disaster happened was a piece of foam insulation broke off from the Space Shuttle external tank which damaged the left wing of the shuttle. Even though some engineers of NASA had doubted that the left wing of shuttle had been damaged, the administration staffs restricted to do advanced research.
The engineers of NASA found that the foam shedding and debris strikes could not be avoided and solved, even though the previous design of space shuttle required that the external tank was not to shed foam or other debris. However, this situation was not account for security threat and regarded as the acceptable risk. Thus, the launch was given the go-head. Due to the broken left wing which caused the damage of Space Shuttle thermal protection system, hot gases penetrated and destroyed the internal wing structure which led to the disintegrate of the shuttle immediately over the area of south Dallas.
Ignore the Feedback Control
Even though the similar situation happened in the prior mission (in the 13th and 16th mission of Columbia, the foam went undetected as well), the administration department of NASA were getting used to those situation which did not cause the serious damage to the shuttle that led to the disaster of the 28th mission of Columbia. Just like Diane Vaughan explained this phenomenon in her book as “normalization of deviance”.
After analysis the disaster of shuttle Columbia, the main control failure which caused this disaster was NASA did not pay their attention on the small changes happen on the shuttle, because they ignored that small changes may accumulate and lead to the irretrievable disaster, just like the Space Shuttle Columbia disaster.
Ignore the Concurrent Control
In addition, the administrators of NASA prevented the engineers working on the potential risk of the shuttle which happened when it had been launched. It is imaginable for administrators to protect some benefits of whole situation, however, comparing with the seven astronauts’ life, there was no doubt that NASA should work on the potential risk and find out the solution as soon as possible in order to minimize the loss of the mission. In the video record of Space Shuttle Columbia disaster, some engineers of NASA pointed out that if they could find the potential threaten of the shuttle, they might find out the way to deal with the dangerous.
Moreover, according to the record of the shuttle Columbia, the wing leading-edge temperatures to rise steadily, reaching an estimated 2,500 °F on the way back to the Earth. This was the abnormal data that ought to be realized. However, NASA did not pay their attention on it. What’s worse, Wayne Hale, the former Space Shuttle Program Manager, explained it as the normal situation. Obviously, this was the control failure that the NASA might have. Undoubtedly, the abnormal data of the project is the alert to the operation of the project. What the administrators have to do is pay more attention on those unusual changes. Nevertheless, NASA ignored them and this disaster happened.
Besides, the quality failure of this disaster cannot be ignored as well. In the previous mission, NASA had observed the foam shedding problem, and they did not take action to improve the shuttle and reduce the possible damage. After this disaster, the Columbia Accident Investigation Board did a lot of experiments on finding the possible damage of Columbia might have. The experience exhibited it might created a 6-to-10-inch diameter hole on the shuttle. In addition, they also found some unnecessary parts of shuttle were the potential risk for the shuttle. If NASA focused on the quality of the shuttle and kept working on it in order to find the solution to fix those shortages, possibly, this disaster might not happen.
In summary, even though some inevitable reasons might lead to the disaster. However, assuming that the administrators of NASA could pay more attention on control and quality of the project, absolutely, the loss of the disaster might be minimized, or even reduced. Thus, the control and quality failures of the Columbia Disaster were the administrators did not use concurrent control and feedback control.

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[ 1 ]. The material is collected from Wikipedia http://en.wikipedia.org/wiki/Space_Shuttle_Columbia_disaster
[ 2 ]. The material is collected from Wikipedia http://en.wikipedia.org/wiki/Space_Shuttle_Columbia_disaster

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