The White House
Their missile navigation system must be very accurate.
P.S. I received numerous emails asking my opinion on the British Royal family. I am an insider from Tehran and not from London. On the other hand it has always been hard for us Americans to understand British way of life. And what is more there are millions break ups between couples married or not all over the world. It only shows that British love getting their nose into other people"s private life especially if they were Royal.