Inside the mobile service tower is moved closer to the first half for installation around the Dawn spacecraft glimpsed inside.

Inside the mobile service tower on Launch Pad 17-B at Cape Canaveral Air Force Station, the second half of the fairing (at right) is moved closer to the first half for installation around the Dawn spacecraft, glimpsed inside. The first half is already in place.The fairing is a molded structure that fits flush with the outside surface of the Delta II upper stage booster and forms an aerodynamically smooth nose cone, protecting the spacecraft during launch and ascent. Dawn is scheduled to launch between 7:25 and 7:54 a.m. on Sept. 26 aboard a Delta II rocket. Photo credit: NASA/Jim Grossmann