In most college football programs, the task of charting formations of upcoming opponents falls to a graduate assistant coach -- commonly known as a "G.A." They study the film, note which players line up where and prepare formation cards to show the scout team how to give the first-teamers a "good look" at what they'll face the coming Saturday.
The last thing an offensive G.A. wants to see is film of a John Thompson defense. It can be harder to understand than a foreign film with no subtitles.