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 Seaslug missile test equipment room between 75 and 84 stations on the starboard side of 2 deck looking to port and forward showing a missile isolator switch on the left. In the centre is a wooden drawers and cupboard unit with an electronic circuit panel set under it and a high pressure dry air unit, a telephone and two switch units above it. A large number of switch boxes and a M.T.E. calibration change over switch are next to the door to the Seaslug missile check room. A work control board is against the forward bulkhead.