Let's help a bit more: he started the war in Husaren-Regiment 4, was made prisoner on the Eastern front in 1915 (heavily wounded) and released from captivity as an invalid in 1916. He volunteered for the airforce in 1917 and served with Armee-Flugpark 5, Schutzstaffel 15 and Flieger-Abteilung 207.