This research addresses rational decision making and coordination among antiair units whose mission is to defend a specified territory from a number of attacking missiles. The automated units have to decide which missiles to attempt to intercept, given the char-acteristics of the threat, and given the other units' anticipated actions, in their attempt to minimize the expected overall damages to the defended territory. Thus, an automated de-fense unit needs to model the other agents, either human or automated, that control the other defense batteries. For the purpose of this case study, we assume that the units cannot com-municate among themselves, say, due to an imposed radio silence. We use the Recursive Modeling Method (RMM), which enables an agent to select his rational action by examin-ing the expected utility of his alternative behaviors, and to coordinate with other agents by modeling their decision making in a distributed multiagent environment. We describe how decision making using RMM is applied to the antiair defense domain and show experimen-tal results that compare the performance of coordinating teams consisting of RMM agents, human agents, and mixed RMM and human teams.
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