Local News NASA Space Shuttles Remembered February 21, 2011 / 3:40 PM EST / CBS News President (Source: AP) Space Shuttle Atlantis Atlantis launch Atlantis launch (Source: AP) Challenger blows up Challenger disaster remembered (Source: AP) Crew listens to Obama International Space Station crew listens to President Barack Obama during a phone call (Source: AP) Space Shuttle Liftoff discovery Space Shuttle Discovery lifts off (Source: AP) NASA Challenger crew NASA Challenger crew (Source: AP)
