On board the Type 12 general purpose frigate Plymouth (1959) alongside the south side of number 3 basin in Chatham Dockyard at the end of a modernization which commenced in August 1966. The ship is berthed starboard side to the quay. The photographer is in the gun direction platform between 31½ and 33½ stations on the centreline of 02 deck looking aft and to starboard from the port side of the platform. Against the aft screen are an angle-fronted cabinet, three telephone handsets, three microphones, two large and two small loudspeakers and a change over switch. The support tower for the MRS3 director is abaft the platform.