NASA Targeting March for Next Shuttle Launch

NASA is now targeting March 2006 for the next Space Shuttle mission, STS-121. Discovery will be used for STS-121 instead of Atlantis, putting NASA in a better position for future missions to the Space Station. Atlantis will fly the following mission, STS-115, carrying Space Station truss segments which are too heavy to be carried by Discovery.
http://www.nasa.gov/returntoflight/main/index.html