Posted: Wed, Sep 22, 2010, 12:10 AM ET (0410 GMT)

The space shuttle Discovery rolled out to its launch pad Monday night for what is scheduled to be its final mission. Discovery left the Vehicle Assembly Building at 7:23 pm EDT (2323 GMT) Monday, arriving at pad 39A about six and a half hours later. Discovery is scheduled to lift off on November 1 on STS-133, the final scheduled mission for the orbiter. On that 11-day mission, the next to last currently scheduled for the shuttle fleet, Discovery will devlier and install a logistics module and carry spare parts and other supplies for the ISS.