 Pollock was mentioned in despatches for his actions.Pollock was appointed gunnery officer on the heavy cruiser in October 1943, tasked with protecting convoys to and from north Russia.Alerted by Enigma intercepts decoded at Bletchley Park, and assisted by radar, his ship and fellow cruisers and twice intercepted "Scharnhorst" and its six accompanying destroyers when they attempted to attack two Arctic convoys (JW 55B travelling to and RA 55A travelling from Murmansk) in late December 1943.