It took me three years with the help of two other guys to define. The criteria were written, but we never put them in a legacy book document like this for the 15 anniversary. But it took us three years to find and the reason being this top gun was so successful after the first half dozen classes,. We weren't going to get torpedoed anywhere. And they still use those criteria in the selection of the instructors. 42 CEOs and about 600 instructors. Small group. That time 50 years. Go ahead, please.