"Commonwealth Joint Air Training Plan, No 23 Air School at Waterkloof, Pretoria, South Africa, January 1943" Training air machine gunners at No 23 Air School. Pupils waiting to take a turn in the power turret rig. The target is a motorized rail buggy which orbited the track at around 40 mph. The Askari native orderlies replenished the ammunition and collected the cases from fired rounds.