Since that day, I ask just about everyone I meet, "Where were you when it hit?" I should be writing the stories down somewhere. I have talked to a number who actually saw the impact. Many did not sleep a wink for a week or more.
Yes! Go for it! Get it published and send as much of the profits as you can to help re-build the Pentagon! Rumsfeld was deeply moved by the contributions sent to his dept. earmarked for such a purpose. Do it and you won't regret it.