U.S. attack on Iran could risk large-scale retaliation

Former U.S. officials and analysts warn a U.S. military strike on Iran could prompt broader Iranian retaliation, and U.S. and Iranian negotiators are expected to hold another round of talks soon.

Former U.S. officials, foreign diplomats and regional analysts say a U.S. military strike on Iran could lead to a wider Iranian response. They note Iran remains weakened by recent setbacks but still retains missiles, drones and proxy networks that could be used against U.S. interests and regional partners. U.S. officials are conducting diplomacy while also discussing a range of military options. Key facts: - Experts and former officials warn retaliation could be broader than past responses and might regionalize the conflict. - Iran is reported to retain ballistic and cruise missiles, armed drones, and proxy groups that could be activated in retaliation. - The U.S. has bolstered air defenses and deployed naval and air forces, and more than 35,000 U.S. troops are stationed in and around the Middle East. - Administration officials say another round of diplomatic talks with Iran is expected soon. Summary: Officials say a U.S. strike could escalate into a protracted regional confrontation with risks to U.S. forces and regional partners. The U.S. has increased defensive and offensive forces in the region while pressing for diplomacy; how events would unfold beyond ongoing talks remains undetermined at this time.