Born and raised in Nottingham, Ball joined the Sherwood Foresters at the outbreak of the First World War and was commissioned as a second lieutenant in October 1914. He transferred to the Royal Flying Corps (RFC) the following year, and gained his pilot's wings on 26 January 1916. Joining No. 13 Squadron RFC in France, he flew reconnaissance missions before being posted in May to No. 11 Squadron, a fighter unit.