On board the County class guided missile destroyer London (1961) alongside the fitting out berth at the Neptune Works of Swan, Hunter & Wigham Richardson Ltd at Wallsend-on-Tyne. The ship is berthed starboard side to the quay. The photographer is in the J3 breaker room between 100 and 106 stations on the starboard side of 2 deck looking to starboard showing a ventilation trunk in the left foreground. Valves for the Seaslug missile check room trolley winch and the missile transfer and stowage space are against the starboard bulkhead. A vertical format negative.