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 junior rates W.Cs between 14 and 16 stations on the port side of 2 deck looking aft and to starboard showing two urinal stalls on either side of the open door. An automatic emergency lantern is next to the door. A vertical format negative.