Prototype 15cm 9-tube ASW Rocket Launcher
|Coastal Defense Ship||Destroyer|
|Light Cruiser||Torpedo Cruiser|
|Heavy Cruiser||Training Cruiser|
|Aviation Cruiser||Fast Battleship|
|Standard Aircraft Carrier|
|Submarine||Aircraft Carrying Submarine|
|Repair Ship||Amphibious Assault Ship|
While depth charge racks allowed dropping them from the aft and the existing type 3 depth charge projectors could launch them from a ship's broadside, this rocket launcher is a new piece of ASW equipment that can launch depth charges even into the ship's bow direction.
While it's still in the prototype stage and under development compared to similar equipment made by Western nations, it had the potential to become a Japanese-made Hedgehog.
- Quest Su09 reward. Only available during the Spring 2018 Mini-Event.