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 electronic warfare office between 35½ and 38½ stations on 1 deck looking to port showing a workbench on the left with the U.A.3 bay next to it and the illuminated E.W. stateboard on the right. In the bottom right corner are two body harnesses for portable equipment.