The American military controlled base at Pine Gap is about to leap back into the news, as Autralia's role in helping co-ordinate drone attacks that have killed more than 3500 people in Pakistan comes under legal scrutiny.
Not surprisingly, there's very little public information about Pine Gap, or what goes on there. This gap in factual knowledge has led to some extraordinary, bizarre theories. Here's one of the wildest, from the late 1970s.