Space shuttle Discovery rolls toward Orbiter Processing Facility 3 at NASA's Kennedy Space Center in Florida.

Space shuttle Discovery rolls toward Orbiter Processing Facility 3 at NASA's Kennedy Space Center in Florida. Discovery landed at 3:13:17 p.m. EDT after completing a 13-day journey of more than 5.3 million miles on the STS-119 mission. The mission was the 28th flight to the station, the 36th flight of Discovery and the 125th in the Space Shuttle Program, as well as the 70th landing at Kennedy. Photo credit: NASA/Jack Pfaller