21.11.1944 Feldpost letter sent from Croatian Airforce Legion stationed in Posen Großdeutsches Reich( today Poznan in Poland) to Zagreb Croatia. Letter was mailed via Fp.54972 - 'Stab kroatische Luftwaffen Legion' , cancel is on the front of the cover. Sender notes his Fp.number on the backside as Fp.55893 - '1.Staffel Kroatische Kampfgruppe 1'.
From 01.11.1944 Croatian Airforce legion ceased its flights due to defection of two pilots to the Soviets from their base in Labiau, East Prussia. One of the defectors was Mato Dukovac, legions leader and top scoring Croatian Ace with 44 kills. The Legion was transfered deeper into East Prussia then to Poznan, Poland. The Unit was stationed first in Poznan city then near it in Środa and lastly it moved to Miloslaw where it was stationed during Christmas time. Air force legion was transformed into infantry and men were used as replacements for German troops. They were reatreating with Germans and lastly some of them saw fighting in Frankfurt on Oder. Groups of men made it seperately back to Croatia in the spring of 1945.