Mezue ahịrịokwu na-esonụ: N'afọ 1941, n'oge Agha Ụwa nke Abụọ, Essame ghọrọ onye isi ndị agha nke 1st Battalion, East Lancashire Regiment. N'ịhapụ iwu battalion ahụ, e buliri ya n'ọkwa brigadier na Septemba 1942 wee bụrụ onye isi nke 214th Infantry Brigade, na-eduzi brigade na
na-alụ agha n'ebe ugwu Yurop. E nyere ya onyinye Distinguished Service Order n'ọnwa Ọktoba 1944. Na June 1945, otu ọnwa mgbe njedebe nke Agha Worldwa nke Abụọ na Europe, ọ rụrụ ọrụ nwa oge dị ka General officer commanding (GOC) nke 43rd (Wessex) Infantry Division n'ọnọdụ GOC mbụ, Major General Ivor Thomas. Essame ghọrọ onye isi nke Order nke British Empire n'ọnwa Ọktoba 1945.