NASA - National Aeronautics and Space Administration

External tank 119 is prepared for its trip from NASA's Michoud Assembly Facility in New Orleans to the Kennedy Space Center in Florida to be mated with the solid rocket boosters and Space Shuttle Discovery for the STS-121 mission. The space shuttle's external tank was returned to the Michoud facility for safety modifications including removal of the Protuberance Air Load, or PAL, Ramps.

Image credit: NASA

+ View large image