“Iran’s development of proxies since the U.S. invasion of Iraq was overshadowed by the extended maelstrom that has battered Iraq, Syria and Yemen. But fueled by funding, weapons and training from Iran’s Islamic Revolutionary Guard Corps (IRGC), this multinational web of groups has transformed Iran from a largely-localized security challenge to a region-wide threat to multiple U.S. strategic interests and partners, while simultaneously minimizing Tehran’s exposure to international blowback for its actions.”