The German Chapter of the Mars Society (Mars Society Deutschland e.V. – MSD) was founded in 2001 based on the Founding Declaration of the Mars Society of the USA from 1998 and has about 230 members. The MSD is registered in Germany as a non-profit association. The main undertaking of the MSD is the Marsballoon probe ARCHIMEDES.
MSD Link: www.marssociety.de