Space shuttle Discovery kicks up dust as it touches down to complete the mission STS-120.

Seen from behind, space shuttle Discovery kicks up dust as it touches down on Runway 33 of the Shuttle Landing Facility at NASA's Kennedy Space Center to complete the 15-day mission STS-120. Main gear touchdown was 1:01:16 p.m. Wheel stop was at 1:02:07 p.m. Mission elapsed time was 15 days, 2 hours, 24 minutes and 2 seconds. During the mission, the STS-120 crew continued the construction of the station with the installation of the Harmony Node 2 module and the relocation of the P6 truss. Photo credit: NASA/Scott Haun, Tom Farrar, Raphael Hernandez