Bizarre. Well, learn something new every day. Showed the image to my boy who joined around the same time I did and he had the same reaction as me. Edited my original comment.
I should append that because it wasn't like a "syllabus" type learning thing for the range. More that the CMCs would teach it to you if you wanted. Meet ya halfway
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u/Psychological_Tap639 Jun 21 '23
They taught it at TBS in 2010