Labels:text | diagram | plan | schematic | technical drawing | black and white | crossword puzzle OCR: SUB-LEVEL 3 DJ4B 1 LIBRARY DUCT 3C BEB FROM KITCHEN BARRACKS BRIG EI CANTEEN DTO L3 1-TO L3 KITCHEN BRIEFING 2-TO L2 Mo BB BARRACKS ROOM 3-TO L2 4-TO L3 182 D 5-TO L2 MEETING ROOM 6-TO L3 DUCT 3B AIRLOCK P. O. AREA BC DI !! COMPUTER TERMINAL AIR DUCT ENTRANCE 3B6 ELEVATOR JAMMED DOOR PULSE RIFLE START LOCATION OF MARINE SECURITY CARD