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 transmitting station annexe between 140 and 148 stations on 3 deck looking to port and forward from 144 station on the starboard side showing a large console labelled HA against the forward bulkhead. A workbench equipped with a Paramo 43 vice is against the port bulkhead. Under the bench are a large number of drawers and a cupboard. Above the bench are a test selection unit, a pen recorder control unit, a telephone control box, other test units and a combination lock safe.