Read MoreIsrael is on high alert as the White House says Iran and its proxies could launch a significant set of attacks this week. The U.S. is rushing more troops and equipment, including a nuclear-powered submarine, to the region. Ramy Inocencio reports from Tel Aviv.Israel is on high alert as the White House says Iran and its proxies could launch a significant set of attacks this week. The U.S. is rushing more troops and equipment, including a nuclear-powered submarine, to the region. Ramy Inocencio reports from Tel Aviv.