Talk:Mastery Rank/@comment-74.194.27.43-20130412163753/@comment-76.172.96.221-20130414161637

This is all speculation, but it might be a reference to Eagle Scout, the highest rank a boy scout can obtain. I don't know if any of the developers were boy scouts, but it's a pretty huge thing to be an eagle scout, and I could see them giving a nod in this way.