ocr: Ofc course, hopefully we remembered to insert the appropriate air locks and docking stations into the meeting edge band, before we fused the two rocks together, and then began sealing everything with the ice. We might want to use more refined materials for the air locks. For instance, spent fuel tanks from old rockets might be well adapted to this purpose, if we can find any floating aroundi in orbit. This could provide us with very spacious airlock capabilities. So lets say we create a layer of ice several feet thick inside the rock. This supplements the rock's capacity to block harmrul radia ...