Discovery rolled out to 39A

Access platforms at Launch Pad 39A are moved into position against Space Shuttle Discovery. Discovery arrived at its seaside launch pad and was "hard down at 11:06 UT May 3. (NASA/Troy Cryder) › View High-res Image

Space Shuttle Discovery made the long, slow trek out to Launch Pad 39A at NASA's Kennedy Space Center. The 3.4-mile trek is one of the last major milestones leading up to the launch of Discovery on the STS-124 mission. Launch is targeted for May 31.