III "Gruppe" also trained for long-range night operations. It flew on operations to supply the Kowel pocket along with the other "Gruppen". On the night of the 7/8 April 1944 it bombed Kiev, and Kowel on 15/16 April. Velikaya Luki (21 April), Rowne, Kiev, and Shepetovka (4–11 May), Velikaya Luki (24 May) were attacked before it withdrew to Podlokowka in Poland on 25 May. With 34 He 111s it bombed Kazatin (1 June) and also Mirgorod on (11 June). It participated in the raids against the USAAF at Poltava. Bobruisk-Sloboda-Minsk regions were bombed and supplied after the 22 June. Bobruisk was the main target from 29 to 30 June. On 21 July it retreated to Glinnik, Poland. Operations were curtailed because of aviation fuel shortages. Vistula bridges at Warsaw and Baranów Sandomierski were attacked from 1–12 August and it followed the other "Gruppen" to Zellhausen, Germany on 19 August for air supply operations to France. It had 30 He 111s by 1 September, but on the 19th was probably disbanded and reformed as III./KG(J) 55 on 1 October.