from 1984 to 1988, isc sent south africa more than $30 million in military-related equipment, including telemetry tracking antennae to collect data from missiles in flight, gyroscopes for guidance systems, and photo-imaging film readers, all of which would form the "backbone" of a medium-range missile system. some of this technology was reportedly transferred to iraq. another link to iraq was the supply of the specifications for the mk 20 rockeye ii cluster bomb through chilean defense company cardoen industries, which was able to build an almost identical weapon that was subsequently used against coalition forces in the persian gulf war of january–february 1991.