On board the type 81 general purpose frigate HMS Ashanti (1959) alongside North Corner Jetty in Portsmouth Dockyard during her September 1968 to April 1970 refit. The photographer is in the operations room between 41½ and 45½ stations on 1 deck looking aft and to starboard from 44 station by the centreline showing the two Admiralty Research Laboratory plotting tables with the commanding officer's visual display unit between them. On the left are the Limbo mortar control unit, the asdic type 170 attacker unit, the sonar type 162 control unit, the asdic type 177 unit and a telephone control box. Under the deckhead is the basic 10-way interphone control unit.