On board the submarine Walrus (1959) alongside the fitting out berth at Scott's Shipbuilding & Engineering Co Ltd shipyard at Greenock, on the Clyde. The photographer is in the forward control room passage between 56 and 58½ stations on the main flat looking aft showing the padlocked door to the sound room on the leftand the sliding door to the commanding officer's cabin on the right. The curtains on rails at either end of the control room are pulled back. A vertical format negative.