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 wheelhouse between 27½ and 29 stations on the port side of 1 deck looking to starboard showing the wheel and a revolution order transmitter in the foreground. Against thestarboard bulkhead are switches, dimmers and junction boxes for the ship's navigation lights. Fuse panels and switches are against the aft bulkhead.