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 mess between 27 and 31 stations on 3 deck looking forward from aft on the centreline showing two triple tier bunk units. A Thermotank air conditioning unit, a telephone, a distribution box, a fire main, a fire hose basket and two oiltight scuttles are against the forward bulkhead.