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 looking to port into the pyrotechnics locker between 46 and 47 stations on 1 deck showing the empty racks labelled markers marine package type A231 and number stowed 6. A vertical format negative.