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 mortar handing room between 67¼ and 71 stations on the port side of 2 deck looking forward from 71 station on the starboard side showing a storage chest for propellant charges and a stowage box for spare jack-in units for the depth setting control panel on the left and the main weapon control panel. In the right foreground is the rack for the ready use propellant charges. A vertical format negative.