A debate will likely occur in 2009 about U.S. global national-security strategy. The authors describe and illustrate a methodology to help frame and evaluate resource-informed strategies. The core is an integrated portfolio-analysis approach that compares options by their anticipated effectiveness, risks, and resource implications. Three illustrative grand strategies are compared, which deal in different ways with the problems of our time.The monograph describes a portfolio-analysis approach for integrated comparison of alternative strategies, in terms of effectiveness, risks, and resource implications.