On board the type 81 general purpose frigate HMS Ashanti (1959) alongside North Corner Jetty in Portsmouth Dockyard. The photographer is in the sonar control room between 41 and 43 stations on the starboard side of 1 deck looking aft and to starboard showing the range console, the depth console undergoing maintenance, a gyro compass bearing unit and an asdic type 170B junction box against the ship's side. Against the aft bulkhead are a main starter, range retransmission units, an automatic emergency lantern and console R. The door to the operations room is closed and has a status board fixed to it.