Amphibious Rapid Deployment Brigade
| Amphibious Rapid Deployment Brigade | |
|---|---|
| 水陸機動団 Suirikukidōdan | |
| Official ARDB insignia. | |
| Active | 
 | 
| Country | Japan | 
| Branch | Japan Ground Self-Defense Force | 
| Type | Marines | 
| Role | Air assault Airlift Amphibious warfare Anti-tank warfare Artillery observer Bomb disposal Close-quarters battle Coastal defence Combined arms Counter-battery fire Fire support Force protection HUMINT Indirect fire Intelligence assessment Jungle warfare Maneuver warfare Military communications Military education and training in amphibious warfare Military engineering Military logistics Patrolling Raiding Reconnaissance Screening Target acquisition Tracking Urban warfare | 
| Size | Brigade 
 | 
| Part of | Ground Component Command | 
| Commanders | |
| Current commander | Major General Shinichi Aoki | 
The Amphibious Rapid Deployment Brigade (水陸機動団, Suirikukidōdan) is the only marines brigade units of the Japan Ground Self-Defense Force (JGSDF) responsible for conducting amphibious warfare, coastal defence, and rapid response operations to security threats in island areas in Japanese territorial waters if invaded.
The ARDB is based at Camp Ainoura in Sasebo, Nagasaki Prefecture.