Israel grapples with shortage of air defence missiles Financial TimesWhat is THAAD? The powerful US anti-missile defense system is being sent to Israel – along with up to 100 supporting troops CNNU.S. approves deployment of troops and antimissile system to Israel NBC NewsUS deploying THAAD missile defence system, troops to Israel Al Jazeera EnglishWhy US is sending troops, prized air defense system to Israel The Hill