On board the Type 12 frigate HMS Londonderry (1958) alongside the west wall in the basin at Rosyth Dockyard, near the end of her modernization which commenced 7 July 1967 and completed 28 January 1970. The photographer is in the hangar between 49 and 57 stations on 1 deck looking to port and up from 56 station showing a rectifier, an helicopter communications test box and an high level storage shelf against the port bulkhead. Between 56 and 57 stations is the aircraft control officer's position which includes a radio switch and control unit.