submarine, Kosatka model, control room, detailed instruments, periscope, metallic surfaces, red alert lights, operator seat, levers, buttons, digital screens, sonar equipment, tight space, steel ladder, rubberized floor, underwater view, portholes, oceanic environment, marine life, ambient blue lighting, high contrast, interior, 3/4 view, realistic textures, cold atmosphere, submerged, tactical gear, gauges, dials, emergency lighting, claustrophobic setting, advanced technology, military vessel.