I'm enjoying this a great deal. One suggestion I would like to see implemented is the ability for us to store water in tanks for the Heavy Rover the same way that oxygen is stored in the extensions. I would also like to have ports inside the Rover to refill both suit oxygen and water as long as at least one of the extension tanks were full. I think this would make a good balance. It would encourage long exploration journeys but there would still be the necessary costs of creating and keeping the tanks full.
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