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 communications control room (transmitting) (C.C.R. (TX)) between 28 and 31 stations on the port side of 2 deck looking to port and slightly forward showing two 692 transmitter cabinets in the corner and 640 transmitter cabinets 4 and 5 are on the right. Two telephones and a fuse panel are against the ship's side. A vertical format negative.