For more info: Phobos-Grunt mission
Fobos-Grunt is an unmanned lander that will study Phobos and then return a soil sample to Earth. It will also study Mars from orbit, including its atmosphere and dust storms, plasma and radiation. It is currently scheduled to be launched in November 2011 on a Zenit rocket launcher with a Fregat upper stage. The return vehicle is scheduled back to Earth on August 2014.
Source: Fobos-Grunt - Wikipedia, the free encyclopedia