Nobody has guessed it yet and I've been using it for decades

I've been fortunate enough to have corresponded with some of the original Flying Tigers in the days of boards, had a couple of beers at the Peterson O Club with the instructor pilot who taught Jimmy Stewart how to fly B-17s, listened to my HS math teacher relate his experiences flying P-40s on day one in the Philippines (that whole sequence of events is a story in itself involving every teacher who had served spending a week educating their classes on what was not in the history books - in 1966 yet), my first flight instructor a 24,000 hour WASP, and many more. I consider all of these a blessing in forming my appreciation for everyone who has served such as yourself and who are serving today.