books.google.it - S.L.A. "Slam" Marshall was a veteran of World War I and a combat historian during World War II. He startled the military and civilian world in 1947 by announcing that, in an average infantry company, no more than one in four soldiers actually fired their weapons while in contact with the enemy. His contention...http://books.google.it/books/about/Men_Against_Fire.html?hl=it&id=rzLxoITDhQQC&q=American&utm_source=gb-gplus-shareMen Against Fire
