The European Space Agency (ESA) was established in 1975 through the collaboration of 10 different member European states. 8 more joined later for a total of 18.
The European Space Agency consists of 11 Nations (Founding Members); Sweden, Switzerland, Germany, Denmark, Italy, United Kingdom, Belgium, Netherlands, Spain, France, Ireland.Emanuel L. Bolds
The European Space Agency has 18 Member States: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Ireland, Italy, Luxembourg, The Netherlands, Norway, Portugal Spain,...
This is Mars Express and it is still operating today (July 2010). Part of the Mars Express mission was releasing the UK's Beagle 2 lander (essentially a mission in its own right), however this failed.