During the Military Junta in Argentina between 1970-1980, 15,000 to 30,000 people were killed or disappeared. Jews made up 1% of the population in Argentina, but 12% of the victims. Between 1900 to 3000 Jews were believed to have been killed.

Israeli arms exports to Argentina in this period are estimated to have been around US$1 billion.

https://www.fiassociation.com/article/672/argentina__military_support_from_israel_in_1982