Israel says it has largely knocked out Iran's air defenses. In contrast, Israel still has strong air defenses in place, though some Iranian missiles are breaking through with lethal results.
Defense Secretary Lloyd Austin said the missile defense system, which will be manned by U.S. service members, will arrive in Slovakia in the coming days.
The potential upgrade at a U.S. air defense base, within range of missiles in North Korea and China, has residents concerned as Seoul walks a delicate balancing act between the rival powers.
