the landing team would build a dome to get boot-strapped, then dig a tunnel from the dome, branching out into bedrooms, arboretums, labs, a gym, and the like. the starting dome would be repourposed into a space suit area, and solar panels/launch pads would be the only other surface structures.

Lunar lava tubes

We chose the lava tubes because it would be easy to get heat, simply be near the lava. Geothermal generators can give a steady source of energy.

Nearby ice pockets would be ideal.

We would use some plants for food and oxygen.

A high-efficiency solar array feeds the station with electricity, expanding when needed. A geothermal production spot solves nighttime energy. an oversize capacitor serves as a much-needed buffer.

the aforementioned plants would give oxygen. plenty of airlocks in the case of an emergency. creating oxygen would be as simple as extracting it from the local regolith.

lunacrete for surface structures, building underground would solve the issue of materials and radiation.

space suits would have an emergency oxygen mask, as well as a panic button that calls a rescue team.

John Ferguson crawled out of his moon-bed, listening to the steady flow of water in the pipes over his and his roommates’ bedroom, and the similarly steady breathing of the other people. The airlock was disabled in their room so that oxygen could flow through during the night, and that meant John could exit without disturbing the others. After hastily eating breakfast while his roommates and others woke up, John followed his routine of exercise, work (namely science), food, and repeat, usually with a bit of relaxation and bathrooms fit in there somewhere. By the end of an earth-day, John was ready for bed, letting group b handle the rest of the cycle.