KG 55 returned to the frontline in January 1944. From here on, with a few exceptions, it was used primarily in the night intruder and air-supply role. I./KG 55 trained after refitting as a night strategic bomber force under the command of IV "Fliegerkorps" from January to March 1944. From 31 March to 7 April it was utilised to airdrop containers to the 1st Panzer Army, under the command of Hans-Valentin Hube. The German formation was trapped in the Kamenets-Podolsky pocket. The following night it struck rail targets at Fastov, southwest of Kiev. On 10 April it bombed Korosten marshalling yards and then at rail junctions, Rovno, Kiev and Shepetovka from 4–11 May 1944. The German defeat in the Crimea on 12 May, necessitated aircraft to evacuate personnel and KG 55 was called in to do so from 11 to 15 May, operating from Focsani, Romania.It transferred to Deblin on 16 May, but had 35 He 111 H-16s on strength on 1 June 1944.