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The Desert Research and Technology Studies 2007 testing events included three test scenarios which were each tested using extravehicular activity (EVA), autonomous rover and teleoperated rover modes of operation. Task time efficiency data was collected for each mode for comparison. The site survey scenarios consisted of rover travel through a grid of Global Positioning System waypoints with data collection occurring at each waypoint. The total elapsed time for each waypoint was, on average, smallest for the autonomous mode and comparable for the EVA and teleoperated modes. The solar power unit cable deploy scenario task times were comparable between all three modes.