There does indeed seem to be a conspiracy of silence on this subject. In his book War on the Mind, Peter Watson observes that Marshall’s findings have been largely ignored by academia and the fields of psychology and psychiatry, but they were very much taken to heart by the U.S. Army, and a number of training measures were instituted as a result of Marshall’s suggestions. According to studies by Marshall, these changes resulted in a firing rate of 55 percent in Korea and, according to a study by R. W. Glenn, a 90 to 95 percent firing rate was attained in Vietnam.
