Its a bird, its a plane...
Bit of pope trivia for you:
The call sign for the president's jet is Air Force One, and for the Vice President, Air Force Two. What is the call sign for the pope's jet when he is flying over the U.S.?
Answer: Shepherd One
That made me laugh rather hard when I heard that.
+Ad Majorem Dei Gloriam+
"Now we sit through Shakespeare in order to recognize the quotations."