Vietnam was the first time that Americans of different races had to depend on each other. In the Second World War, they were segregated; it was in Vietnam that American integration happened in the military - and it wasn't easy.
Karl MarlantesAnd I think that it's - the military has actually made improvements, so people are considering post-traumatic stress disorder as, at the least, a possible psychological problem. You know, when I was in Vietnam, it was just considered malingering. And we're making progress.
Karl Marlantes