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 aft and to starboard from the port side at 44 station showing a deck mounted visual display unit on the left with the main plotting table and console next to it. A radar types 978 and 993 visual display unit is on the right. A marker generator power cabinet is on the bulkhead on the extreme right.