Atlantis embarks on final shuttle mission

Atlantis embarks on final shuttle mission: "Despite the possibility of delays due to weather, the space shuttle Atlantis successfully launched from Cape Canaveral, Florida on schedule this morning at 11:26 EDT. It is the final flight both for the Atlantis, and for NASA's 30-year shuttle program as a whole. The 12-day STS-135 mission will see four crew members traveling to the International Space Station (ISS) to deliver supplies."