Quote Originally Posted by Steve Blair View Post
Another thing that can be overlooked is how you mix those new troops with veterans. There's a fair amount of evidence that doing this mixing while a unit is in combat is a bad idea if it can possibly be avoided (drawn from World War 2 comparisons of practices in Europe and the Pacific by US forces and Vietnam).
From German experience during WWI and WWII: A few weeks (3-6) training are enough for units, which have received their "green" replacements, to let the units regain cohesion. This training could be done near the front.
The key is to avoid a continuous influx of replacements.