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 the torpedo maintenance room between 54 and 57 stations on the starboard side of 1 deck looking forward and to starboard showing a desk with drawers and a cupboard under and a combination safe, a perspex fronted cabinet, a shelf and a notice board above it. A first aid cabinet and a hose stowage bracket are against the forward bulkhead. An Hewittic rectifier is on the right with a portable steel ramp stowed below it. A torpedo maintenance cradle is in the foreground. A vertical format negative.