Kammala jumla mai zuwa: A 1917, Knauth ya shiga rundunar sojan Amurka a 1917 don yin aiki a Gidan Yakin Turai na Yaƙin Duniya na I. Knauth ya yi aiki tare da Rundunar Sojan Sama ta 101 na New England Division na Sojojin Amurka. Ya shiga cikin fadace-fadace na
Chemin des Dames, Yaƙin Saint-Mihiel, Pont-à-Mousson, da kuma Château Thierry.