Sky Bow IV
| Sky Bow IV / Tien Kung IV | |
|---|---|
| Type | Air Defense Anti-ballistic missile | 
| Place of origin | Republic of China | 
| Production history | |
| Designer | NCSIST | 
| Specifications | |
| Engine | Solid-propellant rocket | 
| Flight ceiling | 70-100km | 
| Launch platform | TEL | 
Tien Kung IV, or Sky Bow IV, is a air defense system currently being designed and trialed by the NCSIST. Development codename is Strong Bow. It is pictured as a Taiwanese version of the American THAAD system. Its canister is 7.61 meters long, longer than the 5.49 meter of the Sky Bow III system currently in service. Its ceiling ceiling and range are also both greater than the ones of Sky Bow and MIM-104 Patriot.