I am convinced that the best service a retired general can perform is to turn in his tongue along with his suit and to mothball his opinions.
Ours is a world of nuclear giants and ethical infants. We know more about war that we know about peace, more about killing that we know about living.
In a completely integrated unit where you'd have white soldiers, particularly from southern states, serving under black noncommissioned officers or officers... I think you would have a problem definitely.