Operation Chariot
On 1 January 1942, "Sturgeon" sailed to Polyarny, northern Russia, arriving ten days later. On 17 January she departed Polyarny for a patrol off Norway, returning to Lerwick on 13 February. From there "Sturgeon" left for Holy Loch, then to Portsmouth, arriving on 19 March. On 23 March, she departed Portsmouth for her twenty-fifth patrol. She was to act as a beacon for the St Nazaire Raid, known as Operation Chariot. Having successfully completed her mission, "Sturgeon" ended her patrol in Holy Loch on 3 April.