 Gurney akapedza kudzidza aine dhigirii reBachelor of Science musi waApril 20, 1917, nguva pfupi United States yapinda muHondo Yenyika I, uye akapiwa basa rokuva mutevedzeri wemutungamiriri mukuru muBazi reField Artillery. Akatanga kuenda kuFrance senhengo ye1st Field Artillery Brigade uye akashanda achitevedzana semutungamiri weBattery uye semucherechedzi webharuni panguva yeMeuse-Argonne kurwisa. 