A roll film negative. On board the Tribal class type 81 frigate Mohawk (1962) in Portsmouth Dockyard. She was in a dry dock from 21 March to 11 April 1972 when she moved to the South Railway Jetty. In the charthouse between 43½ and 44½ stations to port of the centre line on 01 deck. The photographer is looking aft and to starboard showing the entrance door and two boxes containing Decca navigation equipment. on the opposite side of the lobby is the flight commander's cabin. A vertical format negative.