From the game Airforce Delta Strike For the Sony Playstation 2.
If you know the Train mission well enough, try flying ahead of the train and make sure to take out all the targets along the way. If you go too far ahead, Amelia will start yelling things like, "The train is under attack! Return to the guard target immediately!" and "It's surrounded! Return immediately!", even though there is absolutely nothing attacking it because you've already destroyed everything.
Taken with permission from Flying Omelette.