On board the Type 81 frigate Gurkha (1960) alongside the fitting out berth of John I Thornycroft & Co Ltd at Woolston, Southampton. The photographer is in the asdic control room between 41 and 42¾ stations on the starboard side of 1 deck looking to starboard and forward. The senior officer's chair is on a raised platform on the left with the main starter panel and a playback unit behind it. The four positions against the starboard side of the ship are the bearing, centre generator, range and depth consoles. The two chairs on the right are in front of consoles R and S.