 Ramba uchiverenga ndima ino - Mushure mekutanga kweHondo Yenyika Yekutanga, Elliott akabatana neAustralia Imperial Force AIF, uye akaumba uye akatungamira 7th Infantry Battalion, iyo yaakatungamira mukumhara kuAnzac musi wa25 Kubvumbi 1915, uye Hondo yeLone Pinemuna August. Muna March 1916, akava mutungamiri we15th Infantry Brigade yakanga ichangobva kuumbwa, iyo yaakatungamirira muhondo inotyisa yeFromelles muna July 1916. Muna Kurume 1917, kudzokera shure kweGerman kuHindenburg Line kwakapa Elliott mukana usingawanzoonekwe wekuratidzira hunyanzvi hwake hwekuita basa rakazvimiririra sezvo 15th Brigade yakashanda sevarindi vekumberi kweBritish Fifth Army. Yakarwa muhondo yechipiri yeBullecourt muna Chivabvu 1917, uye Hondo yePolygon Wood pakupera kwaGunyana 1917, apo hutungamiriri hwaElliott hwakashandura kukundwa kwepedyo mukukunda. Muhondo yeChipiri yeVillers-Bretonneux muna April 1918, akawana kumwe kukunda kwakakurumbira. 