Portholes and ladders leading down into the boat
Narrow corridors with stairs and handrails going up or down
Walls covered in paraphernalia (handholds, hoses and wiring, valves, pipes, gauges, switches, buttons, indicators lights, electronic readouts, boxes, fire extinguishers, flotation devices, clipboards, phones, signage)
The control room (many consoles covered in buttons and readouts, the pilot and co-pilot)
The sonar room with sonar men tracking contacts on consoles filled with bright green traces
The radio room filled with equipment for decrypting and encrypting transmissions
The torpedo room (torpedoes, missiles, overflow berthing, machinist mates doing maintenance or running checks)
A missile compartment
A reactor compartment
The engine room (engines, generators, distillers, pumps)
The maneuvering room
A medical area (narrow beds, diagnostic and monitoring equipment, IV drips, painkillers and common medicines, a defibrillator, other medical equipment)
Separate galleys for the officers and crew (containing metal trays, coffee machines, beverage dispensers, a buffet-style line for the crew to get their food, cafeteria-style seating, mounted TVs)
Bathrooms (heads) for the officers and the crew
Small showers
Crew bunks stacked atop one another with curtains that can be drawn around them
Blankets and pillows
Small lockers for uniforms and a bin for personal items
Individual lights for each bunk
Private officer staterooms for the captain and executive officer