Iran has been hitting radar systems used for air defense in the Middle East, disabling the US and its allies’ ability to track incoming missiles. These strikes have affected Qatar, UAE, Jordan, Bahrain, Kuwait, and Saudi Arabia, as reported by US officials, military analysts, and satellite images.
Source: https://www.wsj.com/world/iran-is-hitting-the-radars-that-underpin-u-s-missile-defenses-2edbfccc