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 quarters position between 167 and 173 stations on the starboard side of 3 deck looking starboard and aft showing Outfit N, the missile quarters officer's console Mk. 1, Mod. 0. A shelf unit and a key cabinet are against the aft bulkhead. The Barr & Stroud Ltd modified type CR2 periscope is under the deckhead on the right. The arched opening to the Seaslug missile quarters annexe is in the port aft corner.