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 senior rates mess between 61½ and 67 stations on the starboard side of 2 deck looking aft from the middle of the forward end showing three triple tier bunk units, four kit lockers, a suitcase rack and a Thermotank air conditioning unit. A vertical format negative.