On board the Type 12 frigate HMS Londonderry (1958) alongside the fitting out berth at the West Cowes shipyard of John Samuel White & Co Ltd. The photographer is in the enclosed bridge between 27½ and 31½ stations on 01 deck looking forward and to starboard from the port side showing the captain's chair, the pelorus and two engine order transmitter receivers on a raised platform in the centre. On the left are an electric fire and a fleet disposition board. Against the starboard forward screen are three positions for signalmen and a cabinet containing the radio and A/S hazards board. In the right foreground is a visual display unit fitted with a visor assembly.