On 22 and 23 January 1879, Bourne was part of the garrison at
Rorke's Drift,
Natal,
South Africa, which held off a
Zulu army. Bourne, who was now an NCO in B Company, 2nd Battalion,
24th (2nd Warwickshire) Regiment of Foot, helped organise the defence at the mission station and field hospital. Throughout the day and night of the battle, the Zulus made repeated attacks against the barricades, but the outnumbered defenders held out until relief arrived. For his bravery, Bourne received the
Distinguished Conduct Medal (DCM) for "outstanding coolness and courage" during the battle, with a £10 annuity. The DCM, until 1993, was the second highest military decoration (after the
Victoria Cross) awarded to other ranks of the
British Army. He was offered a commission, but "being an eighth son, and the family exchequer ... empty", he declined it. ==Later career==