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This study explores individual rover and component requirements including rover speeds, travel distances, functional periods, charging, and maintenance times. ...This ISRU system primarily uses autonomous rovers for exploration, excavation, processing of Mar’s regolith to produce fuel, and disposal of the processed regolith. ...This study then aims to optimize uptime and number of different rovers required to reduce mission cost while still meeting fuel requirements. In addition, special efforts were given to improve visuals and animations to represent the process and to better communicate the Mars fuel ISRU requirements to a variety of audiences.