Supplied via the US Department of State, these reports are initially created for members of Congress. The State website allows a choice by date, region & topic. "Defense & National Security" is the relevant topic here.
RAND research briefs present policy-oriented summaries of individual published, peer-reviewed documents or of a body of published work. These often relate to national security issues & lead to downloadable free eBooks for individual use.
The Only Thing Worth Dying For: How Eleven Green Berets Forged a New Afghanistan
Call Number: DS371.412 .B544 2010
Predator: the Remote-Control War over Iraq & Afghanistan: A Pilot's Story