Space shuttle Endeavour is rocketing toward the space station on one of the shuttle program's last scheduled missions.
Endeavour and its crew of six blasted off early Monday. The pre-dawn launch was the last one in darkness if the rest of the shuttle schedule holds. Only four more shuttle flights are left.
Endeavour is carrying a new room for the International Space Station and an observation deck. These are the last major pieces for the orbiting complex.
The shuttle is scheduled to reach the space station Wednesday. Its flight was delayed a day by cloudy weather.
The Obama Administration has yet to provide specifics on what happens after the last mission this fall. NASA's back-to-the-moon Constellation program is a casualty under the new budget plan.
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