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 transmitting station between 26 and 28¼ stations on the starboard side of 2 deck looking to port and slightly aft showing a clock reading 10.22, a training and elevation search unit, a junction box, a combination safe, a telephone, four handsets, an interphone control box, an headset and an action information loudspeaker against the port bulkhead. Two fire extinguishers, an automatic emergency lantern, three broadcast loudspeakers, an alarm bell and an alarm rattler are against the aft bulkhead. A vertical format negative.