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 passageway at 39 station on 2 deck looking aft and to starboard showing the open hatch leading down to the spirit room and cabin flat on 3 deck and stairs leading up to 1 deck. The spirit room spray valve and a fire main are against the bulkhead. A vertical format negative.