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Air defence2003 - PresentProfile in progress
mobile surface-to-air missile
Type 03 Chū-SAM is a mobile surface-to-air missile originating in Japan. It was built by Mitsubishi Heavy Industries. Reported operators include Japan.
Japanmobile surface-to-air missile
Japan
2003 - Present
Japan
Mitsubishi Electric , Kato Works LTD.
Mitsubishi Heavy Industries
About 570kg
4.9 m
About 0.32m
High-explosive
73 kg
Proximity fuse
Mitsubishi single-stage solid propellant rocket motor
50 km or more
Mach 2.5
Active AESA radar homing seeker plus inertial guidance and mid flight command link with track-via-missile
The Technical Research and Development Institute (TRDI) developed the Type 03 in 1990 alongside Mitsubishi Electronics Corporation (MEC). The first prototypes were developed in 2001.
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 .
Reference text from Wikipedia contributors, used under CC BY-SA 4.0.
Type 03 Chū-SAM equipment records. Variants, orders and quantities are shown as reported in each inventory source; coverage is incomplete.
JapanGround Self-Defense Force exact named equipment holdings: Type-03 Chu-SAM. Active, operational-reserve and training units excluding equipment in store; November 2025 IISS assessment. Named service only; no parent-force or national total inferred. Source role: AIR DEFENCE / Medium-range. Original estimates, ranges, reporting names, reserve, lease and employment scopes retained; nested included counts are not added. Missile-system quantities mean launchers, not rounds. No readiness, crew, carried weapon, payload, factory-production or future order count inherited.