On board the Type 12 frigate HMS Berwick (1959) alongside the south wall in No.3 basin at Chatham Dockyard, near the end of her modernization which commenced 4 December 1967 and completed 4 June 1971. The photographer is in the operations room between 31¼ and 35½ stations on 1 deck looking to port from 31½ station on the centreline showing the door to to the room on the right. Three power supply units are next to the door and an automatic emergency lantern is mounted on the left. A vertical format negative.