No. 6 [Main] Deck, location 6NZ0. Interior of the NBCD [Nuclear/Biological/Chemical Damage Control] Headquarters no. 1, looking to port from the vicinity of frame 123. This is a view of the communications section with its four telephone switchboard units. The door to the left leads to the Main Switchboard Room.

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.