Follow Us The United States on Monday said that it expects more casualties as its military campaign against Iran continues, while seeking to downplay concerns that the strikes could draw Washington into a prolonged conflict in the Middle East. The US and Israel launched their most extensive attacks on Iran in decades on Saturday, killing Supreme Leader Ayatollah Ali Khamenei, sinking Iranian warships and striking more than 1,000 targets so far. Also Read Israel extends strikes into Lebanon as Iran targets Gulf; Kuwait accidentally shoots down US jets In the first Pentagon briefing since the conflict began, General Dan Caine, Chairman of the Joint Chiefs of Staff, told reporters that achieving US military objectives in Iran would take time.