The cool part about that idea, even if 99% of the robots break down, that's spare parts for a manned mission. lose your solar panel on mars? it's a lot nicer f

The cool part about that idea, even if 99% of the robots break down, that's spare parts for a manned mission. lose your solar panel on mars? it's a lot nicer for your outpost/colony if there's like 10 broken down robots with working panels within a 6 hour trip.