New Challenges for Defense -- Decisionmaking for Defense / David S.C. Chu and Nurith Berstein -- Responding to Asymmetric Threats / Bruce W. Bennett -- What Information Architecture for Defense? / Martin C. Libicki -- Coping with Uncertainty -- Incorporating Information Technology in Defense Planning / Martin C. Libicki -- Uncertainty-Sensitive Planning / Paul K. Davis -- Planning the Future Military Workforce / Harry J. Thie -- The Soldier of the 21st Century / James R. Hosek -- Adapting Best Commercial Practices to Defense / Frank Camm -- New Tools for Defense Decisionmaking -- Exploratory Analysis and Implications for Modeling / Paul K. Davis -- Using Exploratory Modeling / Daniel B. Fox -- Assessing Military Information Systems / Stuart H. Starr -- The "Day After" Methodology and National Security Analysis / David Mussington -- Using Electronic Meeting Systems to Aid Defense Decisions / Stuart E. Johnson.