Defense Planning in a Time of Conflict: A Comparative Analysis of the 2001–2014 Quadrennial Defense Reviews, and Implications for the Army

This report presents a comparative historical analysis of the four Quadrennial Defense Reviews (QDRs) conducted after 1997 (in 2001, 2006, 2010, and 2014) and identifies trends, implications, and recommendations for the Army and U.S. Department of Defense in order to shape the conduct of and improve future reviews.