On board the type 81 general purpose frigate HMS Zulu (1962) in Rosyth Dockyard during a lengthy refit which was completed in December 1974. The photographer is looking forward and to starboard from 72 station on the port side of 01 deck showing the Mark 10 limbo mortar mounting between 68 and 72 stations on 1 deck. The barrels are trained forward and temporary covers are over the muzzles. A man using a headset is standing in the quartermaster's lobby on the left and above the lobby is the replenishment at sea tripod. The light cruiser Lion (1944) is in the background being stripped for spares prior to being broken up.