Sky Sword I

The Sky Sword I, Tien Chien I, or TC-1 (Chinese: 天劍一; pinyin: Tiān Jiàn Yī; Wade–Giles: Tʻien1 Chien4 I1) is a short range infrared guided air-to-air missile. The missile has fire and forget slave-by-radar capabilities. It consists of an imaging infrared seeker, a high explosive warhead, a solid propellant motor and a guidance control unit. The seeker uses dual spectral IR and has a detection range of 18.5 km.
The Sky Sword 1 is also used as a surface-to-air missile by the Antelope air defence system.