Another squadron was sent to the Eastern Front in July 1942, using German-owned Do 17Zs, where they were designated as 15.(kroat.)/KG 53.
V júli 1942 bola na východný front odoslaná ďalšia jednotka, ktorá používala Nemcami vlastnené Do 17Z a bola označená ako 15.(kroat.)/KG 53.