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 on the signal deck between 38 and 40 stations on the centreline of 02 deck looking to port showing the pedestal mounted 20 inch signalling projector and the pivot for the ten inch portable projector. In the background against the north wall of the basin is the Type 61 aircraft direction frigate Chichester (1955) undergoing a refit. She has scaffolding round her foremast and her hull is being painted. In the left background is the oil fuel lighter C624 (1945) laid up.