sections 8, 9 and 12 of the bill deal with this. when soldiers were on drills, these aids were laid out upon the side of a hill and that is how they learned to dismantle and assemble the m-1 machine gun and others tools of war. (yes, you needed to hear that phrase once more). but, there are a whole host of other trust issues. not sure why or how or what changed, but it's working. and writing songs in the late 90's. you can't do the update until you have done this which is a little silly. 