夜間戦闘機
Night fighter pilot Wilhelm Johnen commented on the arrival of Sayn-Wittgenstein at his unit: "... A madman, I thought, as I took my leave. Once outside I got into conversation with the Prince's crew. Among other things they told me that their princely coachman had recently made his radio operator stand to attention in the plane and confined him to his quarters for three days because he (the radio operator) had lost his screen [radar contact with the enemy] during a mission."