Alternatively

"The fact that the German car manufacturer's satnav systems have an air raid warning option points to the possibility that Angela Merkel intends to resolve the eurozone crisis in the time-honoured local tradition."

Alternatively, Iron Sky is a documentary.

I read an article recently that claims it was actually filmed on the moon! Apparently a leaked video shows a cameraman tripping over a cable and falling further than they would under normal gravity.

A conspiracy theory based on a film based on a conspiracy theory. The net nutters must be running short of ideas!