"The Biggest Allied Convoy To Russia Fought Through a Four-day Attack by Enemy Torpedo Planes and U-boats To Deliver Her Cargo at An Artic Port. the Commodore of This Convoy Was Rear-admiral E K Boddom-whetham, and the Escorting Forces Were Under the Command of Rear-admiral R L Burnett." Torpedo attack on an aircraft carrier in the convoy, PQ 18.