Mezue ahịrịokwu na-esonụ: Na 1 Machị 1918, a na-ebufe Tadija Sondermajer na ndị isi ndị agha French (GC 12) 'Les Cigognes' ('The Storks') ndị otu ụgbọ elu kachasị mma na France, onye isi ndị France a ma ama bụ Georges Guynemer nyere ya iwu, mgbe Guynemer nwụsịrị, site n'aka onye isi ka ukwuu <unk> onye akụkọ ifo Rene Fonck; dị ka otu n'ime ndị ọkwọ ụgbọ elu 60 kachasị elu, a họọrọ Tadija isonye n'òtù ahụ na-ahụ maka ọrụ ọgụ kachasị ike na Western Front n'oge Agha Ụwa Mbụ
agha Marne. Site n'April 15 ruo May 21, ndị iro nke ìgwè ya bụ "Flying Circus" nke ndị agha Fokker mejupụtara, nke Manfred von Richthofen, onye Germany a ma ama na-efe efe, nke a maara nke ọma dị ka Red Baron. N'oge otu ọrụ n'elu akara ndị iro, ka ọ na-alọghachi n'isi ụlọ ọrụ ya na egbe igwe na-enweghị ihe ọ bụla, ndị agha German atọ wakporo Sondermajer. Ọ zọpụtara onwe ya site n'ịgba egwu na-efe efe, nke mere ka onye iro ghara igbu ya. Mgbe ọ na-alọta site na ọgụ nke abụọ na May 21 ya SPAD XIII gbara ọkụ mgbe a gbagburu ya, n'ụzọ ọrụ ebube ọ nwere ike ịbanye na Flanders, Sondermajer lanarịrị ihe mberede nke ụgbọelu ya ma ọ bụ nnukwu ọkụ na mmerụ ụkwụ. Mgbe ọgwụgwọ na demobilization gasịrị, Sondermajer debara aha ya n'ụlọ akwụkwọ nke Aeronautics na Mechanical Construction na Paris () ebe ọ natara akara ugo mmụta na injinia ụgbọelu na 1921. N'afọ 1923 ọ hapụrụ ọrụ ọrụ ka ọ bụrụ onye ọrụ nchekwa.