Live updates: U.S. military confirms 4 troops killed in Iran war; Kuwait downs 3 U.S. jets in "friendly fire" CBS NewsStakes Quickly Rise for U.S. in Iran War, With 3 Service Members Killed The New York Times3 U.S. jets downed by friendly fire over Kuwait AxiosU.S. troops killed amid Iranian counterattack, fueling air defense fears The Washington Post
