This Student Handbook is intended to serve as a reference for students attending the TRADOC G2 ACE Opposing Force (OPFOR) Threat Tactics Course. It is not intended to be comprehensive or prescriptive. The focus is helping students apply a doctrinal hybrid OPFOR threat, based on best practices representing conventional forces, irregular elements, and criminal organizations, with a range of capabilities - analogous to actual worldwide adversaries. The course and this material may be applicable to: ♦ OPFOR personnel: Accurate portrayal of doctrinal behaviors. ♦ G2/S2s: Better ECOA development & improved IPB. ♦ Exercise/Scenario Developers. More variety, challenge, and options for RTU Commanders. ♦ Intel Community. Understanding of training linkage with real-world analysis. ♦ Multi-service & International Partners. Understanding and mentoring for coordination, implementation.