How many of yours have succeeded?No. The European Space Agency did. Nothing to do with the EU.
Nope. The European Space Agency mission control in Darmstadt lost it.
Of course, the British have a long way to go to reach the level of America's series of Mars mission failures. As of 2010, of 38 launch attempts to reach the planet, only 19 have succeeded.
Let me clarify. I'm asking how many Briddish Mars missions have actually succeeded in the real world, not how many "would have" suceeded in the dim reaches of your fantasies.