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 GWS 20 Seacat missile launcher crew's shelter between 50 and 52 stations on 02 deck looking aft showing the launch console on the right. A locker seat is on the left and the locker is the safety helmets stowage. Against the aft bulkhead are an electric fire, a headset and connection box and a box labelled "GWS MK 20 monitor power supplies for missile testing".