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 operations room between 30⅓ and 35½ stations on 1 deck looking to port and forward from 33½ station to port of the centreline showing the gun direction console equipped with two telephones and two microphones. The GDO sight relay cabinet is in the right foreground with the air plot above it. A target indicating unit and a retransmission cabinet are against the port bulkhead.