1. Strategic Adjustment to Sustain the Force: A survey of current proposals. Author: Charles Knight Publication Date: 10-2011 Content Type: Policy Brief Institution: Project on Defense Alternatives Abstract: The essential challenge in the art of strategy is how to achieve objectives within the demanding reality of resource constraints. Agile strategists must always be prepared for changing resource conditions and quickly adapt accordingly. Topic: Security, Defense Policy, and Debt Political Geography: United States