The Type 03 Medium-Range Surface-to-Air Missile (03式中距離地対空誘導弾, maru-san-shiki-chu-kyori-chi-tai-kuu-yuudou-dan) or SAM-4 or Chu-SAM (中SAM, Chū-Samu) is a Japanese developed surface-to-air missile system currently in service with the JGSDF.‎‎

The Chu-SAM air defense system is based on 8×8 cross country unarmored trucks, and includes a command center, radar unit, launcher, and transloader, with each unit equipped with six missiles that travel at Mach 2.5. The system can track up to 100 targets simultaneously and target 12 at the same time, engaging fighter jets, helicopters, and cruise missiles.
- wikipedia.

first of three builds making up my whole type-03 SAM site, full version will not have the radar screen in the cab as it will be in the command vehicle.
armed with 6 type-03 surface to air missiles with a maximum range of 60km, and a minimum range of about 2-4 km depending on targets aspect.

Controls:
Yaw: steering
Throttle: throttle
Ag1: Rotates the launcher
Ag2: extends supporting legs
Ag3: arms missiles (will not arm if launcher is not fully extended)

IMPORTANT!!!
the launcher breaks at medium or higher physics