(Click here if drawing doesn't appear above.) 1 Explosive ordnance checkout room. 2 Toilet. 3 Corridor. 4 Parts room. 5 Missile assembly & checkout area. 6 Removable railing. 7 Sump in pit. 8 Ladder rungs. 9 Receiving area. A Emergency escape tunnel. B Vestibule. C Space for condenser. D Mechanical & electrical equipment room. E Documents room. F Pit with removable cover. G Earth cover. H Entrance and stairway. I Pipe guard. J Environmental closure (shown retracted). K Vehicle to dock closure. L Dock bumper. M Retaining walls. N Canopy above. O Concrete jack pads. P Roadway. Q Explosives service magazine.