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 diesel generator compartment between 6 and 11½ stations on 2 deck looking forward and to starboard showing the starboard Paxman diesel engine and its connected Brush generator. A fire hose basket is fixed to the pillar in the foreground. A vertical format negative.