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 CCR(RX) (communications control room (receiving)) between 25 and 28 stations on the port side of 2 deck looking forward and to port showing an electric fire in the corner. A transformer, a fuse panel, a filter unit and a C.C.R. receiver switch and fuse distribution panel are against the forward bulkhead. A vertical format negative.