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Systems of Systems combine constituent systems (such as financial, transportation, energy, food, and water) to improve performance. System of Systems employment, however, often requires additional material and infrastructure investment. Due to their widespread use, it is essential that Systems of Systems are sustainable. One approach to increasing Systems of Systems sustainability is to increase its resilience (e.g. a less-resilient System of Systems would require additional resources to recover from a fault). The need for increased Systems of Systems resilience inspired our research question: How does SoS resilience change environmental impact during post-fault operation? To examine this research question, a model of an electric motor supply chain is examined. The supply chain architecture is divided into two parallel supply chains servicing four distribution centers. If supply to a distribution center is …