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 combined radar office between 36½ and 41 stations on the port side of 2 deck looking forward and to port from 40 station showing a range of units, including three power units and a visual display unit, against the port side of the ship. These units range in power from 6KV D.C. down to 440 volts A.C.