Taiwan show at Paris Air Show 2015 to new «Sky Sword II» Surface-to-Air Defense Missile System. Tien Chien II ( or Sky Sword II ) is a combined short to medium range surface-to-air missile and anti-aircraft artillery weapon system produced by Chungshan Institute of Science and Technology (CSIST) in the Republic of China(R.O.C.).

Its air defense consists of automatic anti-aircraft guns and surface-to-air missiles with radar or optical target-tracking and radio-command guidance, reported defence-blog.com.

At different chassis installed missiles «surface-to-air» and anti-aircraft Bofors 40 mm gun.