CAPE CANAVERAL, Fla. – 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

CAPE CANAVERAL, Fla. – Space shuttle Discovery is towed into 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

CAPE CANAVERAL, Fla. – Surrounding lights cast a glow as space shuttle Discovery is towed to 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

CAPE CANAVERAL, Fla. – After sunset, space shuttle Discovery is towed from the Shuttle Landing Facility at NASA's Kennedy Space Center in Florida to Orbiter Processing Facility 3. 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

CAPE CANAVERAL, Fla. –Space shuttle Discovery arrives inside 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

CAPE CANAVERAL, Fla. – Space shuttle Discovery is silhouetted against a fading sunset sky at NASA's Kennedy Space Center in Florida as it is towed to Orbiter Processing Facility 3. 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