Download or read book Guerrilla Warfare and Special Forces Operations Field Manual 31-21 written by U.s.department of the Army and published by Createspace Independent Pub. This book was released on 1961-09-29 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: This manual provides guidance in Special Forces and unconventional warfare operations for commanders and staffs at all levels. The basic concepts of unconventional warfare are presented in a manner designed to acquaint the reader with Special Forces organization, concepts, and methods of operations to fulfill the Army's responsibility for the conduct of unconventional warfare.