On board the type 81 general purpose frigate HMS Tartar (1960) in Portsmouth Dockyard between November 1973 and April 1974 during a refit. The photographer is in the mortar projectile handing room between 68 and 71½ stations on the starboard side of 1 deck looking to starboard from the doorway at 71 station on the port side showing the 60 volt battery box on the left. a telephone handset, a depth setting panel and the Laurence Scott & Electromotors Ltd mortar firing control panel are against the aft bulkhead. A depth setting control panel mark 2 stowage box, a junction box, a rag tank and four fuse boxes are against the starboard bulkhead.