On board the Type 81 general purpose frigate Eskimo (1961) in No. 3 basin in Chatham Dockyard during her 1971-1974 modernisation. The photographer is in the electronic warfare office between 42 and 43 stations on the port side of 1 deck looking aft on the starboard side showing a desk equipped with a morse key, a radio remote control unit, a covered typewriter, a tape reel stowage rack and a recorder/reproducer unit. Two relay units are above the recorder/reproducer unit. To the right of the desk are two Mark IV combination safes and a radio telephone exchange unit. A vertical format negative.