Why the US is giving Israel a powerful Thaad anti-missile system

The THAAD system is a powerful anti-missile system that the US is giving to Israel ¹. THAAD, or Terminal High Altitude Area Defense, is a defense system designed to shoot down short, medium, and intermediate-range ballistic missiles ². The system was developed after Iraq's Scud missile attacks during the Gulf War in 1991 ². The THAAD interceptor carries no warhead, instead relying on its kinetic energy of impact to destroy the incoming missile