 Complete the following phrase:  In January 1943, the Luftwaffe planned to move JG 26 to the Eastern Front. The idea was to exchange JG 26 with Jagdgeschwader 54 JG 5454th Fighter Wing which supported Army Group North. The style of combat between the two fronts was quite different and overall the experiment was not a success; I. Gruppe of JG 26 was the only Gruppe of JG 26 to serve in Russia. On 21 January, I. Gruppe left France and arrived in Heiligenbeil, present-day Mamonovo, on 27 January. There, the Gruppe received factory-new Fw 190 A-5 and A-4 aircraft. On 31 January, I. Gruppe moved to Riga and two days later to an airfield named Rielbitzi at Lake Ilmen. Seifert claimed his first aerial victory on the Eastern Front during the 