from wtnh: Caught in a scheduling squeeze, NASA decided to try to launch space shuttle Atlantis on Friday without replacing a troublesome electrical component...
The decision to try a launch on Friday wasn't unanimous. Officials in NASA's safety office felt the fuel cell should be changed out not because of a safety issue, but they were concerned about whether the mission could be carried out successfully. The fuel cell's manufacturer, UTC Power, wanting NASA to use a pristine unit, also recommended against flying until it was swapped out, said Wayne Hale, space shuttle program manager.
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