FRAME GRAB MADE FROM NASA TV MONDAY, MARCH 7, 2011 AP provides access to this publicly distributed HANDOUT photo to be used only to illustrate news reporting or commentary on the facts or events depicted in this image.
In a frame grab made from NASA TV, space shuttle Discovery backs away from the the International Space Station after undocking for the last time Monday, March 7, 2011. Discovery is due back on Earth on Wednesday. It's being retired after touchdown and sent to the Smithsonian Institution for display. (AP Photo/NASA)