Staffel was commanded by Hauptmann Heinz Lange and was subordinated to I. Gruppe (1st group) of JG 51 headed by Major Erich Leie and stationed at an airfield named Orel-Slobodka located approximately 20 kilometers (12 miles) west-southwest of Oryol on the Eastern Front.

[2] Wever claimed his first aerial victory on 19 June south of Karachev, approximately 45 kilometers (28 miles) west of Oryol.

[3][4] Notable landmarks during his career included his 10th kill on 1 September 1943 followed four days later by shooting down three Il-2 Sturmoviks in five minutes.

[5] Wever had already briefly led the Staffel from 15 to 30 August 1943 when Lange had been temporarily tasked with the leadership of I. Gruppe of JG 51.

Gruppe, Hauptmann Diethelm von Eichel-Streiber, sent the map to the headquarters of Luftflotte 6 (6th Air Fleet).

[8] On 10 July, Wever was shot down and wounded in his Messerschmitt Bf 109 G-6 (Werknummer 410413—factory number) by Soviet Anti-aircraft artillery.

[10] According to Obermaier, Wever was credited with 44 aerial victories all but one claimed on the Eastern Front in 250 combat missions.