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 A gun bay between 24 and 34 stations on 2 deck. One of the access doors is on the left and an automatic emergency lantern and a ready use cartridge locker are next to it. The central support is on the right with the loading rails encircling it. A vertical format negative.