Are you a fan of NASA's astronauts and would love to have an autographed photo of them?  Get an astronaut autographed pictures for free by just sending them a letter or fax to NASA Johnson Space, Center CB/Astronaut Office, Houston, TX 77058.

The National Aeronautics and Space Administration is an independent agency of the U.S. federal government responsible for the civilian space program, as well as aeronautics and space research. NASA was established in 1958, succeeding the National Advisory Committee for Aeronautics.