The Unmanned Tactical Autonomous Control and Collaboration (UTACC) program is a Marine Corps Warfighting Laboratory (MCWL) initiative to build a Marine-robotic collaborative infantry fire team. The impact of robotic teammates on the situation awareness (SA) of the fire team is a central concern for this program. The proliferation of SA enhancing technology to the lowest echelons of Marine infantry forces often involves a tradeoff between focused and distributed SA due to limited attention resources. UTACC seeks a means to measure SA tradeoffs due to the incorporation of robots into infantry fire teams. This thesis reviews present models of individual and team SA that are applicable to the military infantry environment and proposes individual and team models of SA that address the unique requirements of UTACC. The authors then applied SA principles to Coactive Design in order to inform robotic design. The result is a methodology framework using interdependence analysis (IA) tables for informing design requirements based on SA requirements. Future research should seek to develop additional IA tables for the entirety of the Marine Corps infantry fire team mission set.

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