So the White House has modified its justification of the Top Gun stunt. You should read the brief Washington Post article about the White House's slipperiness on this subject in any case, but savor this detail:

Bush's televised landing on the USS Abraham Lincoln, for which the president wore a flight suit and a helmet and took underwater survival training in the White House swimming pool...

Survival training in the swimming pool?

Survival training in the swimming pool???