Research Questions. Can modeling show how different types of risk could influence decisionmaking about SF personnel, systems, and strategies?. What are the trade-offs of accepting different risk types, and how can modeling make these trade-offs more explicit for decisionmakers?. Can modeling and simulation show how the SF can reduce multiple risks simultaneously?. The U.S. Air Force (USAF) Security Forces (SF) are responsible for detecting, deterring, denying, and defeating security ...