I was recently traveling with rover and I got hopelessly lost, having goddamn clue where my base is and I got to thinking, "I've got all this oxygen and stuff around me, so why the heck can't I make a new base?" So here's the idea: you can create a new base very cheaply, however, it does not have life support. You need to create a printer and print an expensive life support module to add onto the new base. In the meantime, you can attach oxygen you collect to it to maintain its simple life support and this oxygen is used more efficiently than the oxygen you carry on your backpack. This is so that there's more of a reason to create tethers to the base, rather than running around suffocating.