[sharktrager]

That would explain some of the information being classified. They do, however, have the ability to selectively hide information.

The fact that they took a truck out there and picked the thing up is hardly the same as discussing the means by which they tracked the flight.

[Poohbah]

OK, second possibility: this was a classified test that went awry. Ours or theirs--either way, it still may pertain to systems deployed now.