Source: TH
Subject: Security
Context: The U.S. has deployed THAAD batteries to West Asia to counter Iranian ballistic missile threats during the ongoing conflict, though reports suggest an AN/TPY-2 radar was recently destroyed at a base in Jordan.
About Terminal High Altitude Area Defence (THAAD):
What it is?
- THAAD is a highly mobile, sophisticated missile defence system designed to intercept and destroy short, medium, and limited intermediate-range ballistic missiles during their terminal phase (the final stage of flight as they descend toward their target).
Developed by:
- It is a key component of the United States’ Ballistic Missile Defence System (BMDS), primarily developed by Lockheed Martin for the U.S. Missile Defence Agency.
Aim: The system aims to provide a layered defence shield, protecting population centers and critical infrastructure by neutralising incoming threats at high altitudes—both inside and outside the Earth’s atmosphere.
Key Features:
- Hit-to-Kill Technology: Unlike traditional systems, THAAD does not use explosive warheads; it destroys targets through pure kinetic energy by colliding with them at extremely high speeds.
- AN/TPY-2 Radar: It uses a powerful X-band radar capable of detecting, tracking, and discriminating missile threats at long ranges.
- Mobility: The system is truck-mounted, allowing it to be rapidly deployed to any global flashpoint.
- Engagement Range: It can engage targets at ranges of 150–200 kilometers and reach altitudes that bridge the gap between lower-tier systems (like the Patriot) and exo-atmospheric systems (like Aegis).
Significance:
- It fills a critical gap in the missile defence architecture, intercepting threats higher than the Patriot system but lower than the Aegis system.
- By using kinetic impact rather than an explosion, it reduces the risk of spreading debris or triggering the chemical/nuclear payloads of incoming missiles over populated areas.
- THAAD can talk to and integrate with other systems like the Aegis and Patriot (PAC-3), creating a seamless, multi-layered defensive web.









