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 operations room between 31½ and 35½ stations on 1 deck looking forward on the port side showing an Admiralty Research Laboratory plotting table and console with a clock reading 11.11. On the right is an indicator azimuth range track visual display unit and a conning intercom. On the left is the call signs board.