The launch of the space shuttle Endeavour was pushed back at least a week when engineers discovered an oxygen leak in the cabin ? only a few hours before the shuttle was scheduled to launch. The leaking oxygen transfer line is going to be hard to fix as it?s located in a hard to reach area under the payload bay. Once the shuttle does launch (now scheduled for some time between 0 and 0400 GMT on Tuesday, November 19), it will carry a replacement crew to the International Space Station.
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