After a week-and-a-half together, astronauts aboard the linked shuttle and space station are preparing for the last day of spacewalking. On Monday morning, astronauts Christopher Cassidy and Thomas Marshburn will venture out on the fifth and final spacewalk. They will rearrange some power cable hookups, fold down a piece of popped-up insulation on a small, dexterous robot arm, and install TV cameras on the brand new porch of the Japanese lab, The Associated Press reported. Shuttle commander Mark Polansky says everyone will be careful, because «in my book, the last one you do is always the one that you have to watch out for the most.» Shuttle Endeavour will undock from the international space station Tuesday. The mission created the largest space gathering ever, with 13 people.
