He was sent to France on 30th August 1915. Initially serving with the 8th Battalion. He had been transferred to the 7th Battalion Ernest was reported as missing in action whilst the Battalion was involved in fighting at Crozat Canal on the 22nd March 1918. At 7am the Battalion were in position, but all attempts to blow up the bridge across the canal failed owing to lack of explosive. The Battalion’s War Diary describes the day - “Crozat Canal 7am. Battalion in position, but all attempts to blow up bridge failed owing to lack of explosive. 5.45pm Heavy attack by enemy on La Montagne Bridge, "C" Coy. on left flank came under very heavy machine gun fire & were forced to retire, enemy crossing Bridge. Counter-attack by 2 Companies Northants, assisted by "C" Coy, restored situation & by 7.30 p.m. all enemy were thrown back across Bridge.” A counter-attack by the Northamptonshire Regiment, assisted by "C" Coy, restored the situation and by 7.30 p.m. all enemy were thrown back across Bridge. Ernest was not seen again and has no known grave. His name is recorded on the Pozieres Memorial, France.