Rubuta ci gaba don wannan sakin layi - A ranar 1 ga Maris, 1918, an tura Tadija Sondermajer zuwa rukunin jirgin saman yaki na Faransa (GC 12) 'Les Cigognes' ('The Storks') rukunin jirgin saman yaki mafi kyau a Faransa, wanda shahararren dan Faransa Georges Guynemer ya ba da umarni, kuma bayan mutuwar Guynemer, ta hanyar mafi girma ace <unk> almara Rene Fonck; a matsayin daya daga cikin manyan matukan jirgi 60 na jirgin sama, an zabi Tadija don shiga cikin rukunin da ke kula da ayyukan yaƙi mafi wuya a yammacin gaba yayin yakin Marne
Ka yi haƙuri. Daga 15 ga Afrilu zuwa 21 ga Mayu, ƙungiyarsa tana da abokin gaba "Flying Circus" wanda ya ƙunshi mayakan Fokker wanda sanannen masanin jirgin saman Jamus Manfred von Richthofen, wanda aka fi sani da Red Baron. A lokacin wani aiki a sama da layin abokan gaba, yayin da yake dawowa sansanin tare da bindiga maras amfani, Sondermajer ya kai hari daga mayakan Jamus uku. Ya ceci kansa ta hanyar yin wasan motsa jiki, wanda ya sa abokan gaba suka kasa harbe shi. A dawowarsa daga yaƙi na biyu a ranar 21 ga Mayu, SPAD XIII ya kama wuta bayan an harbe shi, ta hanyar mu'ujiza ya sami damar sauka a Flanders, Sondermajer ya tsira daga hatsarin jirginsa amma ya ƙone sosai tare da raunin kafa. Bayan jiyya da sakewa, Sondermajer ya shiga Makarantar Jirgin Sama da Injin Injiniya a Paris () inda ya sami digiri a injiniyan jirgin sama a 1921. A shekara ta 1923 ya bar aiki don zama jami'in ajiya.