Of course they know more than they're letting on........ Why would they tell us anything?
Why have the military all over the world kept secrets from each other through history?
Because it gives them the edge!
If you were a magician, you do not let people see what's up your sleeve.. do you?
If you found an endless supply of gold would you tell everyone.. for the whole world to catch on...
Or would you tell just your most trusted friends/family?