This handbook focuses on three items: First, how to improve and develop the cognitive skill of visualizing, a key component to COA analysis (wargaming); second, improving the methods and conduct of action, reaction, and counteraction adjudication of COA analysis with off-the-shelf wargames; and third, thoughts on training the staff. COA analysis is similar to any collective skill, and is perishable if not continually trained and rehearsed. Therefore,...