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 operations room between 41½ and 45½ stations on 1 deck. The photographer is looking forward from the starboard side showing a RDD & D CTS visual display unit labelled 120 with a clock above and intercom units to the right. Telephones and headsets are on the right. On the left is a door to an area containing special equipment with access by any non-service personnel to have the express permission of the commanding officer. A vertical format negative.