NASA Shuttle Discovery stands ready to launch

A nearly full Moon sets as the space shuttle Discovery sits atop Launch pad 39A at the Kennedy Space Center in Cape Canaveral, Florida, Wednesday, March 11, 2009. Discovery's seven-person crew is slated to dock with the International Space Station following a two-day chase. The crew's primary task is to install the final solar arrays to the ISS, providing it with its full compliment of electrical power. (UPI Photo/Bill INgalls/NASA)