Heading into their second week of space travel the crew of NASA’s space shuttle Atlantis have a lot on their schedule. Today two of the astronauts will venture out for the mission’s third and final space walk.
During the spacewalks the crew perform a variety of physical tasks to the outside of the International Space Station. For example, Atlantis is carrying two ‘ spare parts container known as the Express Logistics Carriers. The shuttle’s robotic arm lifted them into place and the spacewalkers helped attach them to the ISS. In all there are 27,250 pounds worth of spare parts onboard this mission.