NanoSail-D
From SolarSailWiki
NanoSail-D is a NASA mission to deploy a 10 m2 solar sail from a CubeSat.
The mission is scheduled to launch on or about July 29th, 2008, on the 3rd Falcon 1 launch.
Project website: http://www.nasa.gov/mission_pages/smallsats/nanosaild.html
Science@NASA article: http://science.nasa.gov/headlines/y2008/26jun_nanosaild.htm