STS-120STS-120 was the 23rd shuttle mission to the International Space Station, and launched an Italian-built U.S. multi-port module for the station.These seven astronauts took a break from training to pose for the STS-120 crew portrait. Pictured from the left are...KENNEDY SPACE CENTER, FLA. -- Inside Orbiter Processing Facility 3 at Kennedy Space Center, technicians prepare to install engine No....KENNEDY SPACE CENTER, FLA. -- In this overhead view inside Orbiter Processing Facility 3 at Kennedy Space Center, technicians guide...After a post-landing news conference, members of the STS-120 crew pose for photographers. From left are Pilot George Zamka, Mission...Crew members of space shuttle mission STS-120 prepare to board the bus that will transport them to Launch Pad 39A.The drag chute deployed behind space shuttle Discovery helps slow its smooth landing on Runway 33 of the Shuttle Landing...KENNEDY SPACE CENTER, FLA. -- Inside Orbiter Processing Facility 3 at Kennedy Space Center, technicians prepare to install engine No....From the roof of the Vehicle Assembly Building at NASA's Kennedy Space Center, space shuttle Discovery rivals the sun as...From the roof of the Vehicle Assembly Building at NASA's Kennedy Space Center, media photographers capture the launch of space...The STS-120 crew members are ready for their return to flight to Houston. From left are Pilot George Zamka, Mission...