spaceship, starfield, crew expansion, additional cabins, modular design, interior customization, ergonomic bunk beds, efficient space utilization, compact living quarters, high-density accommodation, crew comfort, life support system upgrade, oxygen generation, waste recycling, communal areas, recreational facilities, onboard training, safety measures, emergency protocols, uniform crew uniforms, advanced navigation console, AI-assisted management, crew morale, panoramic windows, zero-gravity adaptation, energy-efficient lighting, space-saving furniture, magnetic storage solutions, crew capacity optimization, exterior ship expansion, docking bay, crew rotation schedule, interstellar travel, deep space exploration.