Being involved with the Sherman group build, I have come to appreciate the fine intricate detail and nuances of the history of the M4.
So in order to better myself in this field, I decided to take a course or two in this subject matter. ( not really - just play along )
So here is the shermocology midterm - a chance to sharpen your skills
It's in two pieces - a top and bottom
Been having troubles - Had to cut it in half in order to display
Answers are in the Sherman group build
http://www.finescale.com/fsm/community/forum/topic.asp?page=73&TOPIC_ID=11560