STS-124 - NASA Space Shuttle to the International Space Station on mission STS-124.

At NASA's Kennedy Space Center, tread marks from the shoes on the crawler-transporter are visible along the crawlerway leading up to the hardstand on Launch Pad 39A. Space shuttle Discovery, secured atop the mobile launch platform below, has just arrived for final prelaunch processing for the STS-124 mission. The 3.4-mile journey from the Vehicle Assembly Building began at 11:47 p.m. on May 2. The shuttle arrived at the launch pad at 4:25 a.m. EDT May 3 and was secured, or hard down, by 6:06 a.