“Mars-500” project is being conducted by the State scientific center of the Russian Federation – Institute for Bio-Medical Problems of RAS under the aegis of Roscosmos and Russian Academy of Sciences. It includes a series of experiments simulating these or those aspects of an interplanetary manned flight. The main part is a series of experiments on long-term isolation of the crew in conditions of the specially built ground-based experiment facility. This part includes:

14-day isolation (it was completed in November 2007)
105-day isolation (it was completed in July 2009)
520-day isolation (March 2010 – August 2011)