When Citadel began III./KG 1 carried out bombing operations until 13 July. It moved to Bryansk on 14 July and attacked Soviet armour when Operation Kutuzov broke through to Orel on 20 July. The "Gruppe" lingered on the Eastern Front until 2 August 1943, when it appears to have been withdrawn. Only the specialist 9.(Eis)/KG 1 "Staffel" remained. On 20 July it moved back to Seshchinskaya and operated from Stari Bykhov from 18 September. In October 1943 it helped Army Group Centre contain the Orsha offensives. It may have been transferred to Flensburg to convert to the Ju 88P. In mid-March it was re-designated 14(Eis)./KG 3. III "Gruppe" disbanded in mid-April 1944. 7 and 8 "Staffeln" re known to have retrained as anti-tank units at Flensburg until 12 August and the aircraft were given to 9.(Eis)./KG 1. Only one month later, the "Gruppe" was reformed by the re-designation of I./KG 100. It began training on the Heinkel He 177 but never became operational again. It was dissolved at Prowehren East Prussia, on 25 August 1944.