"It is useless in warfare to be merely brave, if bravery means presenting oneself as a useless target to the enemy. It is far better to employ intelligence and concealment, so as to induce him to present a target. A man who is well concealed can bide his time, watch for the enemy to expose himself and hold his fire until his target is sufficiently close to make sure of it. . . . Camouflage is no mystery and no joke. It is a matter of life and death-of...