The following FAQ entries may contain spoilers. Only the biggest ones (if any) will be covered with spoiler tags. It is assumed that no one who is diligently avoiding spoilers will be visiting this page in the first place.
For detailed information about the amounts and types of (a) sex and nudity, (b) violence and gore, (c) profanity, (d) alcohol, drugs, and smoking, and (e) frightening and intense scenes in this movie, consult the IMDbs Parents Guide for this movie. The Parents Guide for National Treasure: Book of Secrets can be found at http://www.imdb.com/title/tt0465234/parentalguide.
It is never mentioned, and some speculate that it exists solely to set up another sequel. On the DVD commentary, however, director Jon Turteltaub thrice says something about the contents of page 47, but his microphone fails mysteriously all three times. He also rebuffs the sequel theory, saying that the references to page 47 exist to show how much the President began to trust Ben Gates and to establish a closeness between the characters.
The President mentions that he was an Architecture History major at Yale, so secret passageways, especially under such a historical site as Mount Vernon, would be of extraordinary interest to him. We must suspend our disbelief to imagine that he'd join Ben Gates without a Secret Service agent.Remember that In the first Movie, the gold found was given to the people of the world by Ben Gates. It wasn't as if Gates was a regular person out of the blue, but he was famous, which helped the president trust him
There were two aircraft in the hanger. The first one is an A-6, most likely the EA-6B Prowler, an electronic warfare derivative that is the only version of the A-6 still in service today. The second one may be an A-3.
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