In this image provided by NASA astronaut Ron Garan with his feet secured on a restraint on the space station remote manipulator system's robotic arm or Canadarm2, carries the pump module, which was the focus of one of the primary chores accomplished on the six and a half hour spacewalk on Tuesday July 12, 2011. NASA astronaut Mike Fossum, also a station flight engineer, who shared the spacewalk with Garan, is out of frame. (AP Photo/NASA)
July 17, 2011 8:52:47 AM PDT
By MARCIA DUNN AP Aerospace Writer
CAPE CANAVERAL, Fla. (AP) - July 17, 2011 --
The astronauts making NASA's last shuttle flight are almost done packing up their gigantic suitcase for the ride home.