A roll film negative. On board the Tribal class type 81 frigate Mohawk (1962) in Portsmouth Dockyard. She was in a dry dock from 21 March to 11 April 1972 when she moved to the South Railway Jetty. The GWS 21 missile launcher crew's shelter between 54 and 55 stations to starboard of the centre line on 01 deck. The photographer is looking to port and aft through the doorway showing folding seats for three crew. Two small control boxes and a warning bell are on the aft bulkhead. A double steel cupboard is on the port bulkhead. A vertical format negative.