The remarks are the first to reporters since the U.S.-Israeli military operations against Iran began Saturday despite weeks of talks designed to stave off a conflict.
A fourth U.S. service member has died as part of the operation against Iran, the military said. CENTCOM said the fourth service member was seriously wounded in Iran's initial attacks and "eventually succumbed to their injuries." NBC News' Richard Engel reports on the latest casualty details from the ongoing conflict with Iran.
U.S. officials say three American service members were killed in action in Kuwait in the military operation against Iran. Five others were seriously injured.The troops were part of a sustained unit in Kuwait. NBC News' Courtney Kube has the latest.