The space shuttle and its crew of six will depart the International Space Station late Sunday night. They worked on the space station's air purifier Saturday and straightened out the spacesuits that were used in four spacewalks. The final spacewalk of the mission was completed Friday.
Now that the spacewalks are over, Mission Control says the astronauts "can bask in the glow of a job well done."
This is NASA's next-to-last space shuttle flight, and the final voyage of Endeavour. NASA is closing down the shuttle program this summer after 30 years. Atlantis will blast off on the last shuttle journey in July.
