On the evening of 23 May, his force was detected by the radar-equipped heavy cruisers HMS Suffolk and Norfolk, that had been patrolling the Denmark Strait in the expectation of a German breakout.

• 在5月3日晚，德国舰队被装备有雷达的英国重巡洋舰“萨福克”和“诺福克”发现，她们当时正在丹麦海峡巡逻以期能发现德国人的突围行动。