Look at the Combat Studies Institute Occasional Papers 18 and 19 by Bob Ramsey. Excellent work on advisors in Korea, VN, and El Salvador
Advice for Advisors: Suggestions and Observations from Lawrence to the Present, Robert D. Ramsey III. Paper #19 (PDF)
Advising Indigenous Forces: American Advisors in Korea, Vietnam, and El Salvador, Robert D. Ramsey III
Bookmarks