Transferred to the 1st C.M.R. Provides details of first trench raid in daylight. Bombed German dugouts causing high casualties. Prepared for Vimy Ridge attack. Volunteered for the Canadian Machine Gun Corps. Commissioned. Describes use of machine guns; defensive fire, barrages, harassing fire, ammunition expenditure heavy. Later, at Passchendaele, 350,000 rounds fired by his command of eight guns in twenty-four hours. Over half the men in his battery were ammunition carriers and belt fillers. Wounded. Hospital in England. Sent to 3rd Canadian Division Machine Gun Battalion in 1918. Recounts exhilaration at "going over the top".