No.7. [Middle] Deck, location 7RO. Interior of N.B.C.D. [Nuclear/ Bacteriological/ Chemical Damage Control] Headquaters 2, looking aft towards the door in bulkhead 140. The area to the left is part of the pumping and flooding control. To the right are diagrammatic deck plans of the ship with indicator lights for the damage control officers.

This is part of a series of photographs taken during the final stages of HMS Ark Royal's last major refit which was completed in 1970. The location references are derived from the deck plans in the latest edition of the ship's NBCD book.