CAPE CANAVERAL, Fla. -- Clouds have delayed the launch of space shuttle Endeavour.
NASA called everything off early Sunday morning, with just 9 minutes left in the countdown.
The band of low clouds started moving into the area late Saturday and forced the delay.
Launch managers said they would try again Monday. Slightly better weather was expected.
Endeavour is loaded with a new room for the International Space Station, as well as an observation deck.
Monday's launch time will be 4:14 a.m. It's expected to be the final shuttle launch in darkness.
Only five shuttle missions remain. This one will be the last big construction job.
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