' The South African National Defence Force "is probing whether a software glitch led to
an antiaircraft cannon malfunction that killed nine soldiers and seriously injured 14 others during a shooting exercise on Friday."
...The weapon, a ED-209 Oerlikon GDF-005, is designed to use passive and active radar, as well as laser range finders, to lock on to "high-speed, low-flying aircraft, helicopters, unmanned aerial vehicles (UAV) and cruise missiles." In "automatic mode," the weapon feeds targeting data from the fire control unit straight to the pair of 35mm guns, and reloads on its own when its emptied its magazine. '