The German Chapter of the Mars Society (Mars Society Deutschland e.V. | "eingetragener Verein" | - MSD) was founded in 2001 based on the Founding Declaration of the Mars Society of the US from 1998 and has about 230 members. The MSD is registered in Germany as a non-profit association ("gemeinnütziger Verein"). Registered members pay a yearly membership fee of 60 Euro. However, students and firms pay a different fee. The activities of the MSD are focused on technical-scientific projects such as the Mars Balloon Probe ARCHIMEDES as well as on all Mars exploration and general manned space matters. The main means of communication with members and the general public is the MSD Website with information on the ARCHIMEDES project, publications on Mars and other space subjects, the regular news, which can be commented by visitors of the website, the Space Forum and informative meetings.